Waffle drop

It's the custy nasty crust the come off of a blue waffle. (search google images for best result of blue waffle)

Courtney Jones just licked a waffle drop off the sidewalk

Drop a scummy

when u think you have to fart and you try to and all that comes out is a little MOIST TURDLET

dude whats that smell....did u just drop a scummy???

The Gilson Drop

The act of a perverted Scottish science teacher, called Nigel Gilson, swinging his rather saggy ballsack multiple times (to increase momentum) and plopping them on the corner of a students desk.

You won't believe it. I've just had a chemistry lesson with Mr Gilson. And worst of all, he done The Gilson Drop on my desk.

Spider drop

When one is upon another person's shoulders doin the Spider-Man pose taking a dump cascading down the person's back all while balancing still holding the pose. Most effective when its diarrhea.

Oi Razzle dazzle what's Gibo doin on Blake's shoulders again oh his rockin' another Spider drop on him check the waterfall down Blake's back bro.

drop squid

The metaphoric ejaculation of semen due to over excitement, or extreme happiness.

Or the term can be used in the literal sense.

There is so much taned leather and brass on that toaster a steampunk junkie is libel to drop squid.

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I was getting real hungry you see?, so I just dropped squid on her back and ran to micky D's..

cummy drop

The post coital cum that seeps out from a moist vagina.

Jenny: Vicky, it looks like you've sat on something wet, as there's a patch on your skirt!

Vicky: don't worry about it, it's just cummy drop!

dropping a pill

Taking/ eating a pill also known as popping

Yo Sanjay tonight I'm dropping a pill