Very Very Smart. When the brain muscle is so jacked, you are unbeliveably Smart.
Modification of the Word Jacked
, meaning very muscular or strong.
Person 1: Dude, I cannot Get this Question, its Redonk
Person 2: Bro, you just have to use the Binomial Expansion
Person 1: Holy Shit dude, your fucking Brain Jacked
© 1999-2015 Urban Dictionary ®
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