look up any word, like slope:
 
1.
giving oral sex to anyone and errone
Boy version: "damn gurl, lemme give ur cookie a mouth bath! MMM!"

Gurl version: "boy u know i only give a mouth bath after dinner!"
by Waltizzle!!! October 24, 2010
 
2.
When a man is receiving oral sex and cum's in the other person's mouth. That person then spits the cum all over the man receiving oral sex.
I gave my boyfriend a mouth bath he will never forget last night! He didn't see it coming!
by Matron Malice March 17, 2013