Rhyming slang for doing a poo.

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

Kiddie speak for doing a poo, used so as to not to have them swearing and they're too young to use technical words like defecate.

Originates from rhyming slang, similarly number three is used for pee.

evacuation of the bowels; the matter evacuated

n. defecation

Slang for "Peace."

Number Twos is a hand peace sign.

Also, "Deuces."
Also, "Two fingers in the air."

an act of defacation, a bowel movement