A fork of Rural Dictionary
In multiplayer games (counter-strike especially) helping someone get up to a ledge or other high place they can't get to by jumping alone.
Boost me to the roof-then I'll awp snipe.
Any item or service that is considered sub-par or ghetto quality. Boost is most commonly used to describe electronic devices such as mobile phones and computers.
1) Get your stank-ass Boost phone out of my face!
2) I think that new netbook you bought is Boost.
3) That top of the line wireless plan I bought just went Boost.