urban dictionary

ARGH - the correct version of an expression of frustration or anger.

GRRR - Often indicative of emotional stress, temporary frustration, or, most likely, a lull in casaul conversation.

BRRR - the sound people make when its cold

UGH - Used to describe disgust or boredom

SIGH - To exhale depressedly.

LOL - Laughing out loud.

HAHAHA - when someone laughs too much!