1. A sex act where as one person shoves their chin into anothers ass.
2. Unsightly patch of chin hair
1. Shave off that dirty leno my friend
by Bruce, Todd and Tony October 2, 2006
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Placing your balls on a girls chin while massaging her face with your ass.
Person 1 " Did you hear that andy huffer got the dirty leno last night?"
person 2 " No!, whats a dirty leno?"
person 1 " This dude was massaging andy's face while his balls were on his chin"
person 2 " That sounds like huffer"
by Rhino Magnum & Sven Dickleson December 7, 2009
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The act of eating a girl out while she shits on your chin, said shit will stick to your chin making it seem larger like Jay Leno's Chin.
Bratcher- Man i was tasting some cunt nectar from the goregous girl this morning and she shit on my chin! The worst part is when i backed away it stuck to my chin!

Tyler- Man thats called "The Dirty Jay Leno!"
by Tyler1994 March 19, 2011
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