Join in of course.
As long as it lasted only a few minutes I'd join in. But any longer and if they still laughed I'd slap anyone. Imagine trying to order a meal!
join in XD
Join in. believe me my voice does sound like Alvin's
join in... but at some point it wouldn't be funny anymore if it becomes permanent so then i might get annoyed... but you know, the way to fix that is to never speak again unless you wanna make people laugh/smile :P
duh! i would L.M.F.A.O!
make them wet themselfs
join in. lol.