A man who is very kind. He had the most beautiful eyes in the world and everyone likes him. He's also very funny and with that character, every girl falls for him.
Sem is the kind of man who every girl wants to marry.
by #######dishssssssss February 10, 2018
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SEM: Self-centered Egoistic Maniac

A person who has the highest opinion for himself/herself that is very annoying.

Someone who is obsessed with himself.
Person #1: Look at her. She is obsessed with herself.
Person #2: She is such a SEM.
by Jana-Blonde June 29, 2009
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Sem: Semen Eating Monster
A ugly, fat, skanky, female. Most likely has some sort STD, like crabs or scabies. Likes to fuck anything with a penis. An outcast.
a) That bitch is such a SeM, its discusting.
b) Fuck that SeM and her skanky ass.
by kjdfhgfhdf March 7, 2007
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Verb; to show a lack of effort
We all met at the movies except Todd. He did not call, didn’t text, he was semming.
by SaveSam91 July 23, 2019
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(n) Ebonics for the number seven.
"I keep it crunk twenny fo'-sem!"
by Lil Dre March 22, 2006
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literally: "without any notion"

1. an expression used in Brazil to describe someone who is clueless, sometimes cheeky and that has absolutely no respect whatsoever for the rules that govern life in society.

2. alternatively, the expression can be used in a more positive way, when the absence of norms is actually more than welcomed! As such, the expression can be used to describe a party that is so insanely out of control, you begin to regret that you're probably too drunk to remember anything the next morning!!!
first meaning:

-Man: a real man should admit his fears, a real woman should know how to cook!
Women all over the world: This guy is completely "sem noçao"!

-Woman in a nightclub: "hey you, you wanna to go to the bar, get something to drink?
Man: What? You want me to pay for your drink or something? Listen woman, I don't have to pay for affection!

Later on, woman to her friends: .... Oh...my...God.. I should have totally made out with that guy, he was so "sem noçao"! "

second meaning:

-Man calls his friend during carnival:

"Dude, last night was completely "sem noçao", I had caipirinhas in my veins, I almost got in a fight with a midget, I started dancing on a barrel in a weird bar, a hot cougar ripped my shirt open and stole my hat, I maxed out my credit card, I sexted all the contacts in my cellphone and I woke up with nail scratches on my back and dollar bills all around my boxer shorts! wait, this isn't my hotel room!?!? "
by paraparaparapaparapapa October 17, 2011
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