Internal Combustion

A masterbation technique in which the user takes a shower while masterbating. At the exact point of climax the user simultaneously switches the water to ice cold. Creates an extremely relaxing effect.

I preformed internal combustion in the shower and I feel so relaxed!

by Solcomets September 30, 2010

Internal Combustion Engine

Its an engine you moron

"Thats an internal Combustion Engine"

by Nelsy fellow February 20, 2021