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Ciggy Butt Brain 

Ciggy Butt Brain is when you have been abusing the dangerous effects of nicotine for too long and literally have cigarette filters in your head.
Darren "You got ciggy butt brain, that's all that they're gonna call you mate; ciggy butt brain"
Damo "Nuh uh unah nah mate....."
Darren "Cause you fuckin been scoffin away on them ciggies all day. All day all night ciggies."
Ciggy Butt Brain by ashtray111 February 21, 2014
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ciggy butt brain 

A derogatory slang term for someone who consumes a large amount of cigarettes.
What's going on in your brain, man? You've got nothing but cigarette butts in there now. People are gonna call you 'ciggy butt brain'.
ciggy butt brain by Durrie Darren February 23, 2014

Ciggy Butt Brain 

A drug addict who has had their brain fried that much that the only thing left they know how to do is smoke cigarettes.
Mate 1: What's going on up in there mate? You got nothing but fuckin ciggy butts up there now. You got a ciggy butt brain.
Mate 2: No I don't

Mate 1: That's what they are going to call you man, they are going to call you man.
More from Urban Dictionary
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
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trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
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The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
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British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026
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