internal fist bump

The act of one person shoving their fist up another’s anus while a third person shoves their fist down the second persons throat, creating a fist bump when they connect inside the person.

That other coach pissed me off, let’s go give him an internal fist bump.

by Fishbumper725 February 25, 2023

Bumping Fists

Fighting, beating someone up.

After school, Brad and James are gonna be bumping fists.

by Tayburdeded May 1, 2019

Missouri Fist Bump

When your fisting your girl in the vagina your buddy starts to fist her anus so that your fist bump

Hey man you down to missouri fist bump the girl I met at the bar.

by Stupid Pipe layer November 22, 2024

Fist bumping

When you start fisting a girl in her pussy and then, with your other free hand, start fisting her up the asshole until your two hands meet inside her resulting in a "fist bump"

Yo bro i was fist bumping my girl last week, I felt my knuckles touch inside her

by fistbumper420 August 20, 2022