anything that enhances your mood, when you need that little extra, happy about the situation that has unfolded in front of you
by MarioButtersbeat October 5, 2006
Get the boostmug. 
by David Russell December 20, 2004
Get the Boostmug. The boost is a term used to describe the placement of your finger in a womans anus just before she reaches orgasm. The boost makes her go crazy!
by rwr November 24, 2007
Get the The boostmug. 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.
by ViagraMan January 2, 2005
Get the boostmug. 
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.
2) I think that new netbook you bought is Boost.
3) That top of the line wireless plan I bought just went Boost.
by AudioGuy13 December 14, 2010
Get the Boostmug.