noun: an acronym with a sexual connotation, of which very few people know the true meaning. however, it also describes any sexual action that can be defined by the acronym.
For example: 1) mtap -- moment that's actually perfect
2) mtap -- man that's a pervert
Walking down the street, that mtap (2) blatantly looked me up and down!!
When I kissed him last night...*sigh*...it was a mtap(1).