A big wet, soppy, somewhat hard, yet pleasurable kiss either on the cheek or on the lips; more often than not, accompanied by the same sound. involves hanging on to / gripping both sides of the head for a firmer kiss.
My loving girlfriend Beth gave me a really sweet MWUAH before going home.
by jans ongkinky April 08, 2006
The sound a dirty vicar makes when he detects an ITP.
MWUAH! Mwuuuuuuah! Mwuah!
by Krakky McKraken June 20, 2009