Usually done by somebody of the enjoyer's opposite gender, kissing therapy (K.T.) is the act of relaxing the oral and facial muscles by licking and drooling on them. In some places these therapists can be hired for 50-70 minutes.
Noun: He did some kissing therapy to a customer who he charged $360 afterward.
Verb: After two hours of kissing therapy, as Mary was sucking Joe's tongue Mary's drool was gushing out from Joe's mouth, and Mary's face was full of Joe's spit too.