a very homosexual piece of wood

Someone that tries too hard to be something they're not.

1) Originally referred only to a homosexual male; now it is a generic term of contempt, roughly equivalent to, "I'm a better man than you are and, on a side note, you look somewhat effeminate!"
2) Also a general term of endearment between bros

Interchangeable with faggot

another name for someone who uses a banshee in halo

This term generally means Freaky Alien Genotype. It comes from Team Four Star's 'Dragon Ball Z Abridged'

One that is inconsiderate and a fucking douche

See "Justin Bieber"