5p-10p Share definition Flag When the anal sphincter increases and decreases in size in a very short space of time, often when faced with an uncomfortable situation. When my girlfriend missed a period my arse was going 5p-10p! 5p-10p by Andi Veevers May 6, 2005 0 0 Get merch Get the 5p-10p mug. Buy Now — $32.95 See more merch
