BBAP
A BBAP is an acronym standing for "Big Brain Alpha Play". Most commonly used by the youtuber Alpharad, it is used when you do something either completely and undeniably genius or so stupid that it's actually a galaxy-brain play.
Person 1: Did you really just eat that obviously poisonous and non-fatal mushroom to get out of eating healthy herbs for the rest of your life?
Person 2: Yes, I did.
Person 1: Wow. What a BBAP.
Person 2: Yes, I did.
Person 1: Wow. What a BBAP.