Adjective: A word used to describe someone or something, which makes you giggle uncontrollably through no act of its, or their, own.
Verb: (To Briggle) To giggle uncontrollably at someone or something just because its making you giggle, not because its doing anything.
Adjective: haha! look at that-hahaha-new kid... hahah! they're really Briggleicious!
Person 1: hahaha!
Person 2: what are you doing?
Person 1: I'm briggling at that Girl! haha!