butter him up Share definition Flag To titty-fuck an unconscious sags using butter as a lubricant (see: "Last Tango in Paris" for more fun with butter) Sags: *zzzzz...zzzz* Prav: "Ok, he's asleep...now's our chance...butter him up boys!" butter him up by Wordup November 20, 2003 0 0 Get merch Get the butter him up mug. Buy Now — $32.95 See more merch