Top Definition
Acronym of "Fuck off nobody loves you". used to refer to loners, nerds and losers, or to warn a friend off becoming socially inept.
Fuck sakes, man, Dungeons and Dragons is for fonlys.

Bob looks like such a fonly with his mullet flapping in the breeze.
by hiccup13 August 14, 2008
5 Words related to Fonly

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