Sucking the male genital in order to give one pleasure.

Giving head for male pleasure.
by Jjjbblll June 9, 2021
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Friend: Wow, Plankton is the best character!
Friend 2: I know right? He’s the definition of Big brain Time
by CherrishNoodles April 21, 2020
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When you do your work in your head but you have to show your work and you don't know how to do that because you have been doing work in your head so much you don't even need to visualize it
*Sigh* Math class big brain that is small
by Wiggly Mr.Dickls the 1st October 8, 2019
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A phrase said most often by Corpse Husband while playing Among Us, as a strategy to get Disguised Toast voted off if he's still alive by late game. No one wants to get caught up in his genius, and imposters especially fear being found out by him.
Toast: "OK... I know who the imposters are."
Other streamer: "Alright, Toast. Who do we vote?"

Corpse: "Wait... This could be a big brain play by Toast."
by friendlybean February 21, 2021
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Why should anyone listen to me? Well, it's that long hard monster brain of mine. That's reason enough. Isn't it?
Hym "Don't you know? Can't you tell!? The size of things dictates our behavior round here. See, the fact that I got this big fat girthy brain means that all the academics should be just a-clamoring to listen to me. And they're right to do it too cus if you're going to listen to anybody it should be somone with a big ole brain."
by Hym Iam January 7, 2023
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