half on a sack 

Splitting half the money for a bag of weed.

Yo, you tryin' go half on a sack?

half on a sack by Nignoggins November 17, 2015

Half on a bud sack 

Throwing half the money towards a bud sack when cheifing with one of your homy's.

Killam: Wuzz up my nigga, half on a bud sack.

Nick: How much you wanna get.

Killam: Wanna cop a zone.

Nick: Hell yeah.

Killam: I'll hit up tha d-man and go get some Swisha's.

Half on a bud sack by Killam Willam December 14, 2008