1. The sound made when
pecking someone
on the lips.
2. The word said when kissing someone quickly on either the lips or
the cheek, or anywhere else for that matter.
3. Said over online chatrooms, emails, text messages, phonecalls, etc to symbolise a kiss.
1. ::
Mwah:: Jonny kissed Jane
on the lips.
2. 'Mwah' Jane said as she kissed Jonny.
3. 'Love you,
mwah!' Jonny
typed in an IM to Jane.