Instant messaging lingo.

During an online conversation if one finds something funny, but not funny enough to laugh, one might have a very slight outburst of breath from the nose. This is a 'ffins.' AKA a reversed sniff.

A word for those who are sick of people that say lol, lmao, and rofl every single thing.

A subtle way of telling someone online that you found what they said funny, but you're not laughing.