mac and cheesin
Refers to the sound of a vagina being penetrated. Similar to the sound of mac and cheese being stirred.
Yo I heard you were mac and cheesin last night!
mac n cheesin
When a dude macks on a girl whilst having an awkward-as-fuck smile.
Kim: How was the club last night?
Jessica: It was good, but then some doucher was mac n cheesin on me. I gave him your number.
Kim: bitch..
Jessica: It was good, but then some doucher was mac n cheesin on me. I gave him your number.
Kim: bitch..