Pelvic Thrust Thursday Share definition Flag Its pretty self explanatory.You greet your friends with a pelvic thrust rather than a handshake. "I pledge allegiance to pelvic thrust Thursday!""Happy pelvic thrust Thursday!" Pelvic Thrust Thursday by CHEESE BLARGHINS! January 16, 2010 0 0 Get merch Get the Pelvic Thrust Thursday mug. Buy Now — $32.95 See more merch