Top Definition
1. A mental situation that occurs when one has to fight their natural urges, such as lust, leading to feelings of dismay.

2. Brain Bubbles also occur when someone attempts to mentally stave off the effects of drugs they have taken, such as LSD.
G: "Man, I totally want to bone Vanessa but she's off limits because she used to date my brother"
M: "Don't fight it dude; you'll get brain bubbles!"
by GLaz January 27, 2014

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