1. Loudspeaker enclosure principle
2. Someone that not brings a party on. You have to insert the party into a Passive Radiator to make the party come out of him/her.
Let's ask Aileen to join the party.
-Oh no man, she's such a boring passive radiator.
by Rimshooter November 4, 2008
Get the Passive Radiator mug.
An act of pleasuring ones bum on a warm radiator while ingesting food stuffs of extraordinary proportions. This is often done during a break in work or at the stroke of midnight. Observers can often seem bemused and have to be treated for mild shock as the belly of the beast enacting this routine sends one in to a state of despair.
Why on earth is Radiator Bumming so good?

Answer: It is the only thing that understands my needs as a woman
by MrTimtimsta March 2, 2009
Get the Radiator Bumming mug.
If you've been exposed to the darkest, most messed-up products of Reddit - then you've been exposed to Reddit Radiation.
The more you've seen, the more radiation you're contaminated with; the more you have been disturbed.
I wouldn't view that subreddit, it gives off a large quantity of Reddit Radiation.
by ConspiracyJuice October 17, 2014
Get the Reddit Radiation mug.
The act of taking an unsuspecting male's testicles, and placing them on your own face.
I have no idea why, but after I passed out he used my balls to get some exposure to radiation.
by luv_plugg July 14, 2010
Get the Exposure to Radiation mug.
A proximity Raditaion that Occurs to Items that are Placed in the Front Pocket of a Man’s Jeans.(Item Becomes Warm and Moist)
That gum Doug gave me had Dick Radiation!
by SoyBoyBetaCuck September 30, 2018
Get the Dick Radiation mug.
That you have set your radiator to 3 when you sleep. This means you are a recognized, and must be treated with more respect than anyone else. It is almost like you are surrounded by pussy.
"What up lady, I have my "radiator on 3", when I sleep, wanna fuck?"
by KRitterR December 14, 2020
Get the Radiator on 3 mug.
To burn of your pubic hair.
Cathleen was ironing her shirt the other day and forgot the iron was on. She pulled a furry radiator.
by Egyptiandumptruck June 23, 2014
Get the furry radiator mug.