1 definition by Abdel Hafiz
1. When someone knows how to do something right but at that instant he does it wrong even though he is pro at it.
2. When someone is thinking of saying/doing one thing but does the other.
2. When someone is thinking of saying/doing one thing but does the other.
*You are driving on the freeway and you knew you shouldve takin the 110N exit but you took the 110S for some reason*
Your friend: Dude I thought you knew you had to take the 110N
YOU: Ya I did, just had a freakin brainfart.
Your friend: Dude I thought you knew you had to take the 110N
YOU: Ya I did, just had a freakin brainfart.
by Abdel Hafiz January 6, 2008