Definitions by RTVM

F.U.N 

(Abbreviation) : Flippin Unintended Nuisances. Witty wordplay on the noun 'fun' used to subvert sarcasm. Can also be used as advanced form of witty sarcasm.

Leroy : "...looks like the crude oil prices are rocketing..."

Ludwn : "Sounds like f.u.n"

F.U.N by RTVM April 20, 2021