Sem 

used instead of "same".

"I eat pizza last night."
- "sem, me too."

Sem by weeb-attorney January 19, 2021

SEM 

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.

SEM by Jana-Blonde June 29, 2009

SeM 

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.

SeM by kjdfhgfhdf March 9, 2007

Sem 

Fucking a girl from both side and giving her a cream pie on all hole sides(mouth,pussy,and asshole)

Dude I sem this chick the hell out her last night....it was lit!!

Sem by Don’t waste time nigga April 20, 2018

Sem 

sem is a kind-hearted person, that's adorable and a fun person to talk to and to be around. sem is beautiful inside and out and you are lucky if you have a Sem in your life

everyone needs a Sem in their life

Sem by lorry ツ March 20, 2021

Sem 

Anyone named sem is honestly just an amazing person overall. They will always make everyone smile

1: hey who sits in the seat behind you?
2: you mean Sem???

Sem by Monsterenergywhore April 7, 2022

Sem 

dumb

Sem is dumb

Sem by worosfjenkgs August 1, 2022