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Replacement girlfriend 

A single girl that is friends with a boy who is in a relationship. When the boys girlfriend is busy, this is who he talks to. Sometimes he might even block this person when he is hanging out with his actual girlfriend
“My girlfriend is asleep right now so you’re my replacement girlfriend”

Replacement Girlfriend 

A single girl that is friends with a boy who’s in a relationship. When the boys girlfriend is busy this is who he talks to. Sometimes he might even call this girl mommy and even block her when he’s hanging out with his girlfriend
“My girlfriend is sleeping right now so you’re my replacement girlfriend.”

Replacement Girlfriend 

A single girl that is friends with a boy who's in a relationship. When the boy’s girlfriend is busy this is who he talks to. In extreme cases he might call this girl mommy and even block her when he's hanging out with his girlfriend. If he blocks her he will immediately unblock her when he is no longer with his actual girlfriend.
Drew(drunk calls Lauren): “My girlfriend is asleep so I called you.”
Lauren: “Oh, so I’m your replacement girlfriend?”
Drew: “Ya.”

Replacement Girlfriend 

A single girl that is friends with a boy who's in a relationship. When the boy's girlfriend is busy this is who he talks to. In extreme cases he might call this girl mommy and even block her when he's hanging out with his girlfriend. If he blocks her he will immediately unblock her when he is no longer with his actual girlfriend.
Boy (drunk calls replacement girlfriend): "My girlfriend is asleep so I called you."
Replacement Girlfriend: "Oh, so I'm your replacement girlfriend?"
Boy: “Yeah!”

Replacement Girlfriend 

A girl who is friends with a boy with a girlfriend. When his girlfriend is away (or asleep or just not responding) the friend is his “replacement girlfriend”. He treats her almost as he would his normal girlfriend.
Lauren is Drew’s replacement girlfriend when his real one is asleep.
More from Urban Dictionary
Ulzzang true definition is "best & "face" = best face in korean. They are basically people with above average looks, sometimes with the use of photoshop and haduri who post their pics online, some becoming internet celebrities.
"Hey, see that chick over there? She's pretty enough to be an ulzzang. :D"
ulzzang by `r i k kit t y February 26, 2008
Word of the Day on November 7, 2026
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