Semi is the most amazing girl you will ever meet. She is the smart, athletic and popular all-in-one, not to mention how hilarious she is! If you ever meet a Semi, you better hold on to her because Semi is also a very generous person. She's not the most beautiful girl in class, but all the guys want her. Semis are usually tall, with black hair.
'Man, I really need a partner for this science project! '
'Why don't you ask Semi? I'm surprised she hasn't been asked yet considering she is the smartest girl in our year.'
by Lola Sparks May 18, 2019
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The act of fisting your partner with 18 fingers, being 18 fingers for 18 wheels, generally putting 6 in the front, and 12 in the back, often requiring more than 1 person giving the Semi.
I hooked up with Sammy the other day, and she really wanted to bang, but 2 of my other friends wouldn't stop tagging along where we went, so she took my offer for a good ol' Semi, I hadn't seen her again until the obituaries in the newspaper, she died from being too loose, releasing her organs out of her body.
by xXKokOfJusticeXx June 14, 2013
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People who are attracted to two genders but only halfway. They want both the genders in one body.
Dick 1 : What sexuality are you ?

Dick 2 : I'm semi-semi bisexual

Dick 1 : Sooo...guys or girls?

Dick 2: Both in one body.

Dick 1: Fucking die.
by I_eat_kids_dd May 31, 2023
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Not quite a full on panic attack, but getting there.
I smoked hella herb and I'm having a semi.
by Maria Pereira October 6, 2020
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Something/Someone that is both froody and unfroody.
"Hey, am I froody?" "Nah, you're semi-froody"
by Random F. F. Dent June 27, 2019
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the cutest little hub on earth.

best boy.

he might look like intimidating but he. is. not. he deserves the whole world.

not to mention that he is skilled. i mean his nickname isn't 'no touch service ace' for no reason.

definitely one of the best boys to ever exist
a : do you know semi eita?

b : oh, you mean best boy? yeah, obv! he is really underrated yet one of the best ones!
by cinnamon.png March 30, 2020
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