Definitions for AWɔ
Random House Webster's College Dictionary
(used to express protest, disbelief, disgust, or commiseration.)
Origin of aw:
(in shipping) all water.
Used to express disappointment/dismay.
Aw, that's too bad...
Used to express mild protest, entreaty, consternation, or disapproval.
Aw, dad, why can't we go to Legoland?
Used to express affection.
Aw, you've got such a cute little baby!