Top definition
- 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
------------------------------------------------------------
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
Get a Mouth Slam mug for your mother-in-law Yasemin.
Jun 20 Word of the Day
Marginalized Orientations, Gender identities, And Intersex. it’s meant to be an all inclusive umbrella term for asexuals, homosexuals, multisexuals, trans people, and intersex people. Alternative to LGBTQIAP+
Alternative to MOGII, easier to pronounce.
The MOGAI community in my city is very friendly.
by sebasty September 04, 2014
Get a MOGAI mug for your cat Callisto.