Definitions by FatalB0n3r

Tacking off 

masturbation through your nipples or your man boobs while doing it with someone already at the same time.

guy1: Bro you know what i did last night?
guy2: What?
guy1: I was tacking off.
guy2: with who?
guy1: Your mom bitch!
guy2. Fuck...

Tacking off by FatalB0n3r June 16, 2011