too funny

• hilariousExtremely amusing
• hystericalEmotionally out of control
• cracking upLaughing until helpless
• side-splittingExtremely amusing, causing convulsions
• laughingMaking sounds of amusement

giggling · snorting · tears · belly laugh · priceless · joke · comedian · wit · gag · punch line · roaring · howling · dying · wheezing · spit-take · comedy · absurd · ridiculous