slip ons

Noun; A type of shoe (most worn: Vans Slip Ons) that do exactly what the name states, slip on. No laces. Just shoe. Comes in assorted colors.

Dude 1: Dude I just got some sweet slip ons!
Dude 2: Dude sweet I wanna get some!

slip ons

A pair of shoes that is a sub category of slippers. They slip on just like slippers, hence the name slip ons.

The slip ons originated from slippers but are the more modern version.
Woah! These slip ons are cooler then old school slippers.

Slip one in

Where a man slide his dick in a woman's ass or vagina

Daniella spent the night in my house and she wanted me to slip one in.

Slipped one by the Goalie

The act of inpregnating a woman.

I've never been a father... "What you've never slipped one by the goalie?"

slip one past the goalie

verb. To impreagnate a woman; usually occuring during intercourse where some form of contraceptive is used.

Dude, that sucks. I heard you slipped one past the goalie.

Slip one past the keeper

To root a chick

So did you slip one past the keeper?

Slipping one past the goalie

To fuck the chick in the ass and for the cum to seep out of the bum hole into the vagina

Friend: I heard you slipping one past the goalie during anal sex
Guy: Yeah, Sheila is pregnant now.