Originally used on the TV series Beavis and Butthead, presumably because you can't say dickhole on TV.

A mild insult.

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

often used on "That 70's show" a phrase some person uses to describe another as a: dickhole only this is not as vulger as the word "dickhole"

a hole in which a dildo is placed, used as an insult.

Its the hole that your stink pickles come out of. Its called the dill hole because dill makes things pucker, like your dill hole.

an unintelligent person, to be used when they do something stupid

An individual lacking common sense or maturity.