Skip to main content
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
Related Words
semibisexual semen semen demon semi Semaj sem semicolon Semantics sement Semih
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
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 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
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 is dumb
Sem by worosfjenkgs August 1, 2022