I'm loving it Share definition Flag Upbeat exclamation of personal well being or good circumstance. As in the McDonalds advert featuring Justin Trousersnake. "Hey how's that coctail?" "Do do dum do do.... I'm loving it" I'm loving it by Badboy October 30, 2003 0 0 Get merch Get the I'm loving it mug. Buy Now — $32.95 See more merch