Top Definition
When you just cant remember something that you know you knew hours or days ago.
what the hell was i supposed to remember to do today? what was his/her name , i spent all night that that person too.. damn brain lock
by zzchamp March 30, 2011
1 more definition
When you drink and think at the same time and you repeat the same word over and over until you remember what you were talking about.
person 1: I was at the bar the other day and and and and and oh yea and i finally took a shot of tequila without throwing it back up.

person 2: wow. brainlock?

person 1: Dont judge me.
by jawbreakers and skittles October 07, 2010

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