Verb: a prank/vengeful sexual act where a man ejaculates onto his partner's pillow while they are sleeping in hopes they will roll into it, only to wake with the pillow stuck to their face, resembling a marshmallow.

Noun: a friend who is usually only called upon by a friend when a more primary/prominent friend is unavailable.

Taken from the term “second string” in an athletic competition situation. In football, if the star quarterback gets injured during a play, the second string is called off the bench to replace him/her. A “Second String Friend” is essentially benched until needed, if ever.

Synonyms: Plan B, Second Choice, Secondary Friend, Benched Until Needed

When you take an iron or some other hot object and burn your girls pussy till it is charred black. Proceed to insert your penis and jizz and there you go. The sticky marshmallow