Slow slap

Verb when slowly stroking your penis just shy of ejackulation

Craig was slow slapping wile watching porn waiting for the money shot to bust a nut!

Slow slap by Deke freak June 8, 2018

Slow slapper 

A woman that when she hits someone, usually due to the size of the person, appears to be swinging slow but in fact, is coming at you at full speed.

Man that hurt. She must be a slow slapper because that came out of no where.

Slow slapper by Jeffrey D C January 11, 2008