Green’s Dictionary of Slang

d.f.m.o. n.

[abbr.; pron. ‘dif-mo’]

dance floor make-out; also as v.

Urban Dict. 28 Dec. 🌐 DFMO ‘Dance floor make-out’. Usually occurs under the influence of alcohol. Most of the time a DFMO is voluntary, but they can also occur when a drunkard grabs your face and starts making sweet sweet love to it.
dfmomusick.com 🌐 I thought it meant something last night? Sorry, it was just a DFMO. | The music was so good we just started DFMOing. | What do you mean you don’t remember it? You DFMOed with like 4 different chicks!