IG5 Share definition Flag Abbreviation for I Got 50. An adjective used to describe those that achieve a mark that exceeds 100% in things such as tests and projects. Student A: Did you get the bonus question? Student B: I IG5'ed it so badly. IG5 by IG5 February 17, 2008 0 0 Get merch Get the IG5 mug. Buy Now — $32.95 See more merch
