The act of getting a few willing friends or the whole class involved in fucking around with a substitute teacher.
Guy 1: Dude i heard there was a sub in history today.
Guy 2: Yeah dude. You ready for this Sub Fuck?
Guy 2: Yeah dude. You ready for this Sub Fuck?
by Pofodamofo January 17, 2008
Sub-Fuck. A term used to describe the act of having Anal either beside or behind an open Subway resturant.
by Enderdragon2032//4_7D February 11, 2021