Ilsh is an internet
slang word that means "I'm laughing so hard." Ilsh can be used for the past (I laughed so hard), present (I'm laughing so hard), and for the
future (I'll/I'd laugh so hard). Ilsh has been around for a while but
people seem to have forgotten this term.
Use for past-tense -
Dude ilsh when you did that yesterday
Use for present-tense - Now that you did that, ilsh!
Use for
future-tense - If you pull that
little stunt off, ilsh!