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Sinsear

Someone who lets them dump trains on his or her chest
I just Sinsear'd him
by dixass August 28, 2009
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SinSeer

Get your hands off of those kids SinSeer
by Robby O'licious Bacon March 14, 2022
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Related Words

sinseriously

Emphatically exhibits the sincerity of your seriousness. The classic use is to close a letter with it.
Dear Urban Dictionary:


Thank you in advance for considering “sinseriously” in your Urban Dictionary.

Were sinseriously to be included in The Urban Dictionary, that would make my day, perhaps even my week.

Sinseriously,
Cyprus Denton Fekks
by Cyprus Denton Fekks February 19, 2010
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synsear

Synsear is a name that everybody likes. He has a big penis, all the girls like him he is sometimes friendly, amd has a great personality. and u never might know what you get from him
I like Synsear
Synsear has an awesome personality
by Bankhead.papi August 18, 2017
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Sinseriously

To be sincere and serious at the same time.
"Dude, sinseriously, im sorry"
by LilRayRay August 18, 2008
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sinserious

the words sincere and serious together to indicate something such as a sentiment which is seriously sincere.
I'm Sinserious about this; I'm utterly convinced he did it.
by George D T July 3, 2007
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sinseriously

"sinseriously" is a super fun loving word that can be used to sign a card with. It is a great way to let someone know how much you care about them and that you are serious and sincere about everything you wrote on a letter. It is a cherry on top.
Thanks for being my friend and i hope you enjoy your present

"Sinseriously", Joe
by valkayerie July 9, 2011
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