Thr act in which a person doesn't know if they really like someone, so they masturbate while thinking about them or looking at a picture of them to see if they really like them.
Bro #1: Yo, dude, what are your thoughts on Maya, the new girl?
Bro #2: I don't know bro, I'll mastemplate about it tonight.
Bro #2: I don't know bro, I'll mastemplate about it tonight.
by HighschoolSophomore September 18, 2015
Get the Mastemplatemug.