When you take a massive grommer in someone's toilet and close the lid afterwards while they are away on vacation. Then they come home after a long drive, rush to the toilet, open the seat and BOOM they meet the house sitter.
Did you hear that Amos threw up blood when he met his house sitter after he got back from the beach yesterday?
by Dr. Grommer, MD August 18, 2010
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Great genitalia trick to be done while sitting down. This is accomplished when you sneak part of your sack out of your fly and hold it to the chair your sitting in. Then rise as much as you can while saying "awww man, looks like I sat in some gum."
Rebecca saw bill's nuts while he was doing the "gum sitter" for a couple of buddies.
by B*rad August 10, 2007
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A person who returns text messages instantly; someone you know is waiting for your text.
Joe is such a text sitter; he returned my text before i could close my phone.
by trumpeteerx March 6, 2009
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A person who doesn't use a toilet seat protector or toilet paper to line the toilet seat in a public restroom.
Guy: Dude, I just found out that Matt is a public sitter!
Girl: Eww, gross!
by Comment Poster June 16, 2008
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Somebody who runs your inn instead of you.
If you own and operate a bed and breakfast inn and want to get away for a few days, you have few options. You can shut the place down, but that’s not very sensible from a business standpoint. You could conscript friends or relatives to fill in temporarily. Or you could hire an inn sitter.
by mementomarketing August 19, 2010
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Someone who takes a last minute, unwanted and dumb stand in an arguement, debate or row
Dude... She's being such a donkey sitter.

She's being the world's worst donkey sitter by being on Alyssa's side
by Danikinssss October 15, 2020
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Someone who waits for any tweet, for the sole purpose of replying to that tweet regardless of the content or who said it.
Mike: I blocked Daniel on twitter

Joe: Why?

Mike: He's a twitter sitter!

Joe: Oh, my friend replies to just about every tweet too!
by blaine.alan April 28, 2009
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