Top Definition
when it's a hot day and you're on the toilet with explosive diarrhea and your testicles get covered in diarrhea making them look rusty.
(Nick) "jimmy you look terrible"
(Jimmy) "yeah man I've been up all night with rusty nuts, I only did it once but it takes so long to clean that shit up"
by dollar-bills-y'all April 17, 2010

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derived from the term "not the sharpest tool in the shed" well a "rusty nut" is not even in the shed its that random thing you found in your yard that you keep just in case you find what it goes to
used to describe someone dull, dumb, slow, or a person dragging an entire team or group of people down
sam is therusty nut of the school. her test scores lost all of our federal funding
by n8andmcdonaldscrew August 04, 2009

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used to say that someone is laggig in their work or falling behind dragging the "whole team" down

derived from the term "not the sharpest tool in the shed" well a "rusty nut" is not even in the shed its that random thing you found in your yard that you keep just in case you find what it goes to
Kristen is the rusty nut tonight man. she isnt getting her damn dishes done
by N8andmcdcrew August 04, 2009

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A person with red hair, a ginge.
Oi! You! Rusty nuts!
by StrokeCity August 29, 2005

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The consequence of sexual intercourse with a rusty exhaust pipe.
Tim got a rusty nut when he backed up on his '96 Chevy.
by ilrein March 18, 2011

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a way of insulting russell when he pisses you off
russ: get me some doof bitch
me: screw u, get it yourself rusty nuts
by Brad S. October 26, 2004

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