- Verb/Noun

1. Sucking someone's genitalia with fury or great force

2. Sometimes is used as harsh or devastating criticism of unpleasuable and often painful oral sex

3. Often used used to describe someone as "kissing ass" usually in a blatented or self-degrading way
Tom: Bobbi gave me head last night and it was a real mouth slam

John: Ya man, I was drunk one night and she mouth slammed me till she drew blood
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Tom: Did you hear BK in English 101

John: Yah, she was mouth slamming that Professor all class; even he was getting tired of her banter
by Never Without Prevarication August 20, 2009
7 Words related to Mouth Slam

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