Verb - The act of dropping a steaming dump into the water tank of a toilet. It's very
important to replace the tank cover and leave the room as if
nothing happened. Each future flush will reinvigorate
the stench of slowly eroding water tank dump.
Frat Guy 1, "Did you end up
fighting those guys at that party
last night?"
Frat Guy 2, "Naw, I top shelfed those bastards... they'll be smelling that fudge for weeks!"