macaroni slide 

in skateboarding or rollerblading, when you fall on a ramp and slide down all limp looking like macaroni.

I did a macaroni slide when i fell.

macaroni slide by man June 19, 2004

macaroni slide 

When you're eating macaroni and you feel a little pony in your pants.

When you're sliding into first and you feel something burst. That's a macaroni slide.

macaroni slide by Baginaria August 10, 2006