A half boner, or semi-erection where the penis is not yet completely erect, but not completely flacid.
Dude, that super hot chick gave me a hug and before I had any idea I was sporting a mean sem-dog.
Can I get a sem-dog for my Rem-Dog. (Said when you want your friend Remy to get some ass).
Can I get a sem-dog for my Rem-Dog. (Said when you want your friend Remy to get some ass).
by Schloss January 13, 2006
Sus Sem is a fucking egg
by Sus SEM October 11, 2020
A person who won't admit to being salty or angry at every situation. Possibly plays Mario in Smash Bros.
Dan: What was with that guy's outburst at the bar earlier today?
George: I'm not sure, but it seems to be he was being a salty sem.
George: I'm not sure, but it seems to be he was being a salty sem.
by Expandobrando April 27, 2017
by cinnamonquestionmark November 29, 2021
A Wife, Fiancé, or Serious Girlfriend of a U.S. Marine.
A Female Most men find Stunning, Usually a Woman who can have any guy she wants, but remains Completely faithful to her significant other/Spouse while He's away in the Marines Corps.
A Female Most men find Stunning, Usually a Woman who can have any guy she wants, but remains Completely faithful to her significant other/Spouse while He's away in the Marines Corps.
Guy 1: Damn, Angel Is a total Bombshell!, isn't her boyfriend deployed right now?
Guy 2: Yeah he's in Afghanistan
Guy 1: I Will Totally hook up with her.
Guy 2: Forget it she's a Sem Fi Femme.
Guy 2: Yeah he's in Afghanistan
Guy 1: I Will Totally hook up with her.
Guy 2: Forget it she's a Sem Fi Femme.
by miloB October 9, 2010
a word used to express extreme happiness at a certain situation or event in some cercumstances it is used when greeting friends you are pleased to see. the word originated in the small town of midsomer norton in somerset england. SOme say it means god sent me a present or blessing
by ALI SYKES June 10, 2008
When you are involved with a chick that recalls certain things of the conversation but edits what was said to throw something in your face. Worse then paraphrasing. It was more commonly referred to as "psycho bitch" in the 90's until scientific advances were made in the origins of such behavior.
Mike: She told me that I told her to stop loving me. Definitely has SEM - Selective Edited Memory.
Tom: Isn't that called psycho bitch?
Tom: Isn't that called psycho bitch?
by Wally Krunk from the grave August 26, 2010