Laughing your ass off in just one word. can be used as an adjective or a noun. Someone that is just a joke to look at can be a waaz. Waaz can also be used in place of laughing when someone tells you something funny, you can say waaz instead of laughing.

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