When a dude does a wall sit with his hands tied behind his back while some chick puts his head up her skirt so he can sickle on her pussy
Yo, Kyle, I heard that hoe Karen gave Micheal the Sunny Side Down.
The act of being seduced into bed, usually by a male
John: Hey man, I heard you really noodled down Stacy last night!
Tom: Yeah, it was so great!
When you can't fuck every girls you meet for X reason.
Everything was perfect last night, when we was in the bed, the fuck down for X reason.
A celebration of joy or anger.
Fuck down, I just caught a shiny magikarp!
Fuck down, I have to go to my dog's funeral.
To shut up and stop talking.
You have no idea what you're talking about. Sit down
An exclamation and assertion of dominance. Typically to be used in an online fighting game after defeating an opponent.
*Noobinator69 has just picked a fight with MLGPro 360 and lost*
MLGPro360: SIT DOWN!
Among some lower-socio-economic segments of society in the South, a polite way of saying "using the toilet to defecate", which is generally considered much politer than more common expressions such as "taking a shit".
Student/inmate in a juvenile reform school to his dorm supervisor: Can I use the restroom?
Dorm supervisor: Do you just need to pee or do you need to have a sit-down?