look up any word, like cunt:
"up" can be used interchangeably with similar terms meaning cool.
thats up=thats cool, thats dope
I heard u banged that jawn last night....that's up!

I heard u were at that knicks game last night, thats up.
(seeing a kid smoke a j bone) - "thats up man"
by GG_Rick February 05, 2014

Words related to that's up

ballin cool dope fly hittin