Top definition
An event, action, or result that is hard for a human of normal thought to process.
That bitch cheated on me, with my best friend? Unmothafuckinbelievable.


Unmothafuckinbelievable, my son can't be gay.
by jamaal.a.manic April 30, 2009
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug