splurge slap Share definition Flag To slap a splurge monkey. To hit, across either cheek with an open hand, someone who is acting like a splurge monkey. Did you hear that Splurge monkey splurging? I splurge slapped him good splurge slap by Captain Sock July 28, 2008 0 0 Get merch Get the splurge slap mug. Buy Now — $32.95 See more merch