Cum crumbs 

The stuff left over in your cum sock after you use it.

Girl: I'm cold.
Guy: Go grab some socks.
Girl: Ew! What's in this one?
Guy: Oh those are cum crumbs, that's my cum sock.

Cum crumbs by BigDumpling January 16, 2018

Cum crumbs 

The leftover cum in ur bum

I heard sam left cum crumbs in Brooks bum

Cum crumbs by Pooman42069 January 7, 2021

cum crumb 

Dried, crusted semen that has flaked off into smaller pieces.

The sheets in the hotel room were littered with cum crumbs.

cum crumb by The Captain Awesome October 25, 2007

Cum crumb 

The leftover cum in ur bum

I heard sam left cum crumbs in Brooks bum

Cum crumb by Pooman42069 January 7, 2021

cum and crumb

To eat in bed immediately after fapping or having sex.

Cum sesh so good we both had to cum and crumb

cum and crumb by nicky7282 May 29, 2017

Cumcrumb 

Mixing warm water with cum, resulting in a coagulated mass that resembles crumbs.

Look! I made cumcrumbs in the shower!

Cumcrumb by Laroo July 30, 2013

CumCrumb. 

A move where someone inserts bread into another's anus and proceeds to eat it.

Person 1: Have you heard of the move where they insert bread up their ass and eats it?
Person 2: You mean CumCrumb.
Person 1: Wanna do it?

CumCrumb. by TheMemeNoobGuy April 22, 2022