the act of making an acronym for everything you say then expecting everyone to know what it means, hence M.A.F.E. (Making Acronyms For Everything)
boy 1: H.M.W.U.
boy 2: what the hell did you just say?
boy 1: come bro, you know!
boy 2: no? i don't?
boy 1: Hey Man What's Up! duh!
boy 2: you seriously need to stop M.A.F.E.ing!