During sexual intercourse the man shits between the females breasts and watches it slide down her stomach hence the mud slide.
Bro #1: Yo dude have you ever given your girl a mud slide?
Bro #2: Nah bro I’ll try it on her tonight.
if your girlfriend shits allover you when your eating your ass
my girlfriend had a mud slide on me last night
When you leave a tough mudder for too long and your shit starts running like the lava that killed millions in Pompeii.
Campbell: “Hey crystal, are you feeling ok?”
Crystal: “I don’t think so. I ate something last night that didn’t agree with me. I feel like im about to take a mud slide to the gates of hell!”
When you're 3 sheets to the wind and end up with wounds days later, not knowing how you got them.
Robert " I don't know what I did to get these wounds on elbows?"
Angela " my guess is you were riding the Portuguese Disco Slide!"
While in prone position, with full penis insertion, rotate 180° without removing penis so male's head is near female feet and so on. Continue pounding until female creates banshee squeal from pleasure. Flip 180° as often as desired.
Bro, did you tap it last night?
I didn't just tap it, I put the martindale-slide on her!
Daaaaamn yo!
when you hitting it from behind and she drop a shit all over you creating the Maryland mud slide
she was such a whore she gave you the Maryland mud slide