1. A person who repeatedly bounces off the walls in convulsive laughter.
2. Someone who is extremely talented at producing BS and making it sound valid and at the same time completely hysterical.
3. Someone who is obviously in a weird mood and isn't making any sense.
1. I can't believe how hyper Shelly was tonight, she was bouncing off the walls.
2. That durn goof nut tried to tell me da bears won the super bowl last year. he even gave me statistics... durn goof nut.
3. person 1: Hey, what's up?
person 2: HEHEHEHEHEHEHHEEEEEEE! NOTHING.. HAHAHAHAHHAHAHAH!
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 rustynut tonight man. she isnt getting her damn dishes done