Bitchin' Share definition Flag 1) similar to "awesome" or "bad ass" 2) when someone complains, mainly female 1) "man, ya ride is bitchin'!" 2) "ima slap this nigga if he don't stop bitchin'." Bitchin' by ignitgarde October 24, 2004 0 0 Get merch Get the Bitchin' mug. Buy Now — $32.95 See more merch