Sav up Share definition Flag Another phrase for man up, except taken to another level. Sav, being short for savage. Used when someone is being a pussy. Dave: " Bro I don't know if I can handle another shot of Jack"Nick: "Stop being a pussy and Sav up" Sav up by Nickypoo421 August 9, 2009 0 0 Get merch Get the Sav up mug. Buy Now — $32.95 See more merch