CUM stands for "C'mon, Unfunny Man"
For example, if your friend tells an awful joke, you can respond with, "CUM".
"Joe? Who's that?"
"Joe Mama"
"CUM"
A sland term that typically means “Semen that comes out of the penis when you have an erection.”
Dad!!! There is white stuff all over the Floor!!!
Thats dog cum, son.
Person 1: "Did you cum?"
Person 2: "Yes, I did create penis milk"
the tasty white stuff that comes out of your pp.
"Damn Daniel your cum tastes nice."
"Thanks bby g. Good you like it."