bomb smack 

Smack (heroin) that happens to be the bomb (excellent, the shit).

Ayo you want the dope hookup? I can get u that bomb smack.

I done seen fiends O.D., shot the wrong pack
Then they call the shit the bomb smack
-Notorious B.I.G.

bomb smack by biggiebiggiebiggiecantyousee December 31, 2008

bomb diggity smack wack attack 

this would be the long version of bomb diggity, which means super cool; awesome; the best thing ever. i am not sure if my brother somehow made this up or if it is use elsewhere.

damn, that movie was the bomb diggity smack wack attack!

bomb diggity smack wack attack by katie w September 25, 2006

bobsmack

1) A play on the word "godsmack," which was is a slang word for heroin (used as the title of an Alice in Chains song, and later as the name of a crappy psuedo-rock band).
2) A hardcore gamer that lives in the southeast USA (proper title).

I'm gonna go score some bobsmack.
That Bobsmack cat sure is cool...ever seen him play Mortal Kombat?

bobsmack by Taitor Sahlid March 24, 2005