Definitions by metrolu

Sic Nabo 

Verb. A sexual act in which one partner repeatedly slaps him or herself in the back of the head until rectal constriction is achieved. See Auto-Donkey Punch.

"Dude, she totally Sic Nabo'd herself to orgasm. My orgasm, that is."

Sic Nabo by metrolu December 3, 2011