To ejaculate into one's own pants so that the inside is creamy, but the outside is primarily clean except for what looks like some moisture. This can result from masturbating (without taking one's pants off), dry humping, or grinding, and usually results because of a case of premature ejaculation or simple carelessness.
(It's a spin-off of the term Ice Cream Paint Job)
Dude 1: God, I love grinding with Melissa.
Dude 2: I know. I got an ice cream pants job when I was grinding with her.
Dude 1: Dude! That's gross! You should go home and clean up!
Dude 2: Nah. You can't really see it. I think I'll just stay here.
by HalletP February 20, 2010
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Ita pretty self explanitory.

The act of pleasuring a man while his pants are still on. Hence "over the pants" it's generally very difficult to master as the penis is hard to get to. You're better off to take his bottoms off and just give him an actual hand job. It's more pleasurable.
I gave Alex an over the pants hand job last night, he needed new boxers when I was done.
by Courtney Dawn June 19, 2014
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When a girl or guy who, with their tongue rubs in a circular motion around someone else's sphincter over the pants. First discovered at 18 Brock Place.
Hey Jordan do you want to come to my house and give me a Over The Pants Rim Job (OTPRJ), with my khakis on.

P.S. You suck at Smash Bros.
by MIKE D IS THE GREATEST April 18, 2013
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