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Rosa Sparks 

Smoking so much bud that you refuse to get up.
Bro I smoked way too much, I think I'm Rosa Sparks.
Rosa Sparks by Skridjet April 17, 2011

Rosa Sparks 

smoking so much bud that you refuse to get up
man kevin was so baked last night he pulled a rosa sparks
Rosa Sparks by pats420 April 17, 2011

Rosa Sparks 

Smoking so much bud that you refuse to get up.
Johnny can't come out right now hes Rosa Sparks at the moment. Bill is Rosa Sparks right now, he hasn't got up in hours.

Rosa Sparks 

When you light a marijuana cigarette in the front section of the bus
“Bro they really kicked me off the bus cause I pulled a Rosa Sparks” “Aye the bus drivers not lookin, take ya helmet off and let’s Rosa Sparks

rosa sparked

Dude did you smoke that whole blunt?
Yeah man i'm hungry but can't stand up.
Your rosa sparked.
rosa sparked by dillybopper September 11, 2013
More from Urban Dictionary
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

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
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