Sticky plunger

When one male of a three way pulls out and ejaculates on the penis of the other male while he is still having sex.

You pulled out to early and gave me a sticky plunger asshole.

Sticky Plunger

The action of a guy pulling out and accidentally cumming on the other guy's dick during a threesome.

First Guy: *Sticky Plunger*
Sticky Guy: "Fuck bud, you just Sticky Plungered me. After Im done trucking Im gonna kick your ass."