Did you know that insane and mental are not the only words for crazy. There are some funny ways/words too that you can use to express someone as crazy. 

A lot of people have a misconception that it always conveys a sense of anger and frustration. But in this article, we will demonstrate what is British words for crazy in addition to their playful and light-hearted meanings. 

Let’s dive in and explore.

15+ British Words For Crazy Person: 

Playful manner: 

Loony: 

It is derived from the word “lunatic, ” meaning bizarre and behaving irrationally. It is an affectionate way to refer to someone who is fed up and frustrated. 

Nutter:

It can be used in both a playful and derogatory manner based on the context. Folks used it in conversations to mention their friend who is totally out or eccentric. 

Dingbats: 

This informal slang means brain-scattered, dumb, and foolish. People used it humorously for harmless and not clever people. 

Fruit-bat:  

It has the same tone as loony and dingbats with the meaning of outlandish and idiosyncratic. 

Round the bend: 

This playful slang means a person loses his senses and behaves in a way that does not touch reality. 

Barmy:

It originates from the word “barm” which means fermentation of frothy liquor. It means a person is behaving quite oddly like someone after drinking. 

Bonkers: 

It means extremely illogical behavior that does not make any sense. 

Whacko:

It is also spelled as “Wacko” which means crazy, mad, and nonsense. This informal slang has the same tone as bokers in daily conversations. 

Daft:

People use it in daily talk as informal slang for a nonsensible, lacking-intelligent person. One who looks crazy due to his ideas, actions, and out-of-the-world talk. 

Barking mad:

It means a person is behaving ridiculously insane and mad. People most often use it playfully with their friends rather than as a serious insult. 

As Derogatory term: 

Headcase: 

Another slang term used to deal with a mentally and emotionally difficult person. Someone who is absurd and does not understand things easily. 

Disturbed: 

A serious slang term used for the British word crazy. It means someone is suffering from mental, emotional, or financial distress. Most of the time people use it in clinical contexts when they find someone under mental pressure. 

Nutcase:

A derogatory term used for unconventional and eccentric behavior. Friends used it in their daily talk but sometimes it could not be acceptable due to its harsh meaning. 

Off the rails: 

This informal slang refers to individuals who show a lack of respect for laws and disregard for others. These people do not have control over themselves and shout at others regardless of their actions.

Not playing with a full deck: 

This idiomatic expression has the same tone as daft but is used as insulting slang at serious nodes. 

People point out another person’s mental abilities not functioning at their best like missing a card on the deck. They tease them due to their lack of intelligence and mind simplicity. 

Mad as a hatter: 

It originates in back 19th century from the hat production industry linked to mercury poisoning. This connotation is used metaphorically to describe that hatters are crazy. 

Psycho: 

It is used for an extremely mentally ill person who can harm others. 

Examples: 

Playful manner:

• His loony idea to start a home-cooked item business took a peak off and surprised everyone. 
• She is such a nutter who jumps into the sea without a life jacket. 
• I went round the bend when saw the results of the research paper. 
• Please do not pair me up with the team of bonkers. 
• What a dingbat, she thinks she won the marathon without any practice. 

As a derogatory term: 

• Your friend is psycho the way he behaved with the doctor last night was off. 
• While suffering from the financial crisis she goes off the rail and does not talk to anyone. 
• After the trauma, she went through people labeled her as headcase but I think she needs some emotional support. 
• Some people behaved like nutcases because of their life suffering but we judge them as crazy.
• The new generation is disturbed due to the lack of opportunities and unemployment in the country. 

Other Interpretations in British for the word Crazy: 

• Manic, insane person, cuckoo, psychopath, half-wit, simpleton, screwball, reckless person, deranged person, surreal, ludicrous, kooky, quaint, inconceivable, off the wall, unimaginable, surreal, laughable, preposterous, fanciful, wild, kinky, way out, far-out, dreamlike, wacky, queerish, implausible, dotty. 

Final Remarks: 

The word crazy has several British slang based on the context. Some misconceptions become deep-seated in our lives. We neglect them and miss the chance to investigate and incorporate new terms. Same is the true that happened with the word mad and crazy. But we clear all the misconceptions with practical examples. We hope this guide enhances your understanding and proves to be beneficial.

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