'Splain me now!
Main Entry: Joke
Pronunciation: \jōk\
Function: noun
Etymology: Latin jocus; perhaps akin to Old High German gehan to say, Sanskrit yācati he asks
Date: 1670
1 a: something said or done to provoke laughter; especially : a brief oral narrative with a climactic humorous twist b (1): the humorous or ridiculous element in something (2): an instance of jesting : kidding < can't take a joke > c: practical joke d: laughingstock
2: something not to be taken seriously : a trifling matter < consider his skiing a joke  Harold Callender > Âoften used in negative constructions < it is no joke to be lost in the desert >
I would be the last person to criticize other's about their spelling. But A20 was in full mouth-foaming mode, to the point where he couldn't even type straight and was posting gibberish. I was trying to lighten the situation with a joke. (See definition above)