1. a girl bummer is a guy who always seems overly friendly and accommodating to women. He gives the impression of being the friendliest guy in the world but actually is trying it on with every girl in sight in the most underhanded of ways. He is usually despised by his peers for this behavior due to the great amount of attention he recieves from girls who just think he's a friendly guy. Under his warm exterior lies the heart of sleaze monster.

2. The other kind of girl bummer or GB really is a nice guy but is so accomodating to every woman that any manhood he had shrivels and dies.
Girl 1:"hey tom's here!!"
The Girls:"HEY TOM!!!"
Tom:"Hello ladies how are you?"
The guys:"Girl bummer!! Your a fucking GB go home!!


GB!! GB!! GB!! GB!! GB!! GB!! GB!!
by chris carter September 6, 2004
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Used as a derogatory name for other Ebay users who bid on the same item(s) you are trying to win, thereby pushing the price up.
"All these Ebay bummers are bumming on the lampshade I want!"
by annod August 10, 2010
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Someone who has little or no connection with London and but yet constantly tirade about their family member or friend who lives in London. Mentioning it in every sentence as if its the coolest place on earth, and never failing to force a little fragment of the city into a conversation that has nothing to do with London. A common mistake made by people listening to a London Bummer is accidental belief (by the end of the conversation) that the London Bummer has in fact lived in London all their life and has gone from the streets of London, to running its Mayfair complex.
Clive: Sorry I didn't answer the phone, we where shopping in London. Did I tell you my mums got it made here now?

Englebert: Yes you have already bragged about that. Your becoming a right London Bummer.
by Dingbatanonymous. December 20, 2009
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When during a fun summer time activity someone brings up the thought of school starting soon and lowers the moral of the entire group.
Tom: Hey man lets go surfing
Jim: okay, hey do you relize that school starts in 17 days?
Tom: stop bein such a "Summer Bummer" man
by Chase Yaz August 20, 2007
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A movie or "film" that creates feelings of sadness or guilt. These movies target privileged white people who have no other outlet for this type of normal, human emotion.
"This white bummer really hits me in the feels, ya know?"
by DJ DadMouth July 16, 2020
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Injury caused by being on your knees and getting bummed too much
“Look at Alex hobbling around “

“Yeah he’s got bummers knee bad”
by D from Sale April 14, 2022
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A term used to indicate that an unfortunate event happened to one of your friends and you do not really feel sorry, but you feel sorry enough to tell them bummer dude
Guy 1: Man, I just failed my final
Guy 2: Bummer Dude
by realgood December 10, 2009
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