1 definition by Moun a.k.a Toby a.k.a Kunta Kinte a.k.a. Slim

Like brain freeze when one eats or drinks a frozen food or beverage too fast and they feel a suddennly painful sensation, brainskeeze is in reference to when a girl or fag sucks a dick too fast and takes in too much skeeze(sperm,skeet, giz, etc.) in which she will too feel that same startling painful sensation as experienced with brainfreeze.
Man: "Ah yeah baby suck that dick for daddy!"

Woman or fag: "Hmmm...Hmmm oh no... not again... I was suckin the dick too fast... oh shit! (clutches forehead in pain) it hurts I gots brainskeeze, oh shit it hurts ima hoe ima bitch!"
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