trick off
v.— «Trick off : To spend money on a female who is not your woman- Men use this phrase and men only. Also means to engage in a sexual activity with a woman who is not your woman. ex: “I TRICKED OFF $80 last night on her and she didn’t give me nothing in return.” ex 2: “My wife suspects that I was tricking off last night because I didn’t come home.”» —“Y & B’s Chicago Slang dictionary” Y&B.net (Chicago, Illinois) , 2004. (source: Double-Tongued Dictionary)