1) When someone gets excited playing a card game (ie Monopoly Deal) and spills food on themselves.

A male that has sex with a female and to get her pregnant and proceeds to never see her again.

When a collection of people prone to derping gather and try to out derp each other.

to cough while scared

a character in ssundee's old minecraft intros

A derpy vagina that during intercourse will have a muscle spas and suffocate the male genitalia it is usually very painful for both party's and can also result in a early mensturl cycle

When one takes a dick pic on Snapchat and makes a person out of his penis with emojis and drawings on it.