graffiti slang. someone who is "gettin' up" is active in the current graff game and has some nice pieces around town.
damn son, SIFEN is gettin' up in ATL.
by _NELLY_ January 22, 2007
1 more definition
Gettin together, Hangin out, gettin good
Yo, hit me up when we gettin up
by jbizo.... March 26, 2009