a woman who swings from one guy to another, hence cling-on.
Carey broke up with Matt and then started dating Mike the next day, she's a clingon
by mccrary March 03, 2004
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A needy person who texts you way too many times to the point of psychotic behavior. These people will also call your cell phone, home, place of employment and will block their number hoping you will answer them. They won't take "no" for an answer and rationalize their needy behavior.
You go to the movies with a friend and you tell your boyfriend or girlfriend. When you get out of the movie, you check your phone and there are 5 missed calls and 15 text messages.

Your friend sees this and says "Omg we were only at the movies for 2 hours. He's such a Clingon!"
by Catastr0fc September 22, 2013
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toilet paper that gets stuck up ur ass even after u wipe
o man them cling-ons r startin to make me scratch my ass!
by sumbody u dnt no August 27, 2003
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A boy who likes to try and rape peoples arms and then go into a closet and fuck himself.
Lewis will you please stop rapin that i dont think it likes it.
by Sarah April 01, 2004
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peace of shit that resembles piles (hemeroids).
one you shit, one you shove
thats a big pile, OH its shit!
by Kamron May 11, 2003
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A person who suffers from extreme oral fixation resulting in uncontrolled dick sucking in public restrooms with random men
Check dat' hoe she's clingon
by rediculouse z-train July 31, 2016
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When you take a shit and shit sticks to, or "clings on" to the bowl.
I flushed the toilet but there's a piece of shit that don't wanna go. I call that shit a cling-on
by bow2ursensai September 04, 2016
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