Top Definition
That chaffing you get around your mouth after a night of making out. Can get much worse if one person has a mustache.
Person A "Ummm... Why do you have a red rash all around your mouth??"
Person B "It's all right... I just have make out mouth"
by tommiecat October 17, 2010
1 more definition
The swollen mouth one gets after making out with someone for too long
Dude, your lips are so red.

Yeah, pardon the makeout mouth, I was making out with this really hot guy for ages last night
by x-files geek December 30, 2008

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