IPAMIMP Share definition Flag "I Pulled A Muscle In My Pants". Used in response to something really hot and/or funny. "Hey, check out that manip I did!" "OMG, IPAMIMP" IPAMIMP by bummers November 2, 2008 0 0 Get merch Get the IPAMIMP mug. Buy Now — $32.95 See more merch