When a Girl has a STD such as syphilis or any other nasty STD. Also when a man catches a STD from a girl.
Stay away from that girl, she got that dirty bike chain.

That girl gave me a dirty bike chain.
by Jay Riv May 18, 2023
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Bike shedding, but amongst the professional sustainability mafia who will happily debate the optimum bike rack to occupant ratio for a building design whilst said building emits 10x a sustainable level of carbon emissions and the world burns due to climate change.
Richard: “If we could only increase the natural light level by four lux the occupant comfort would rise by seven happiness-adjusted-life-years and we’ll get a six star rating…”

Kate: “Oh for fuck’s sake Richard, stop bike-racking! You’re focusses on first world problems yet this design has enough carbon intensive concrete we’ll blow the carbon budget before day one of operations”
by TheNudeCyclist June 3, 2022
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"i got a new record in wheely bike!"
"Nooo way!"
by September 14, 2020
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One girl who has hooked up with five or more guys from the same fraternity.
"Dude have you fucked her yet, she's such a house bike"
by Jak'n'jill August 16, 2015
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The act of grabbing a traditional phone handle and putting it in another's rear end and letting hot sauce seep from listening end to receiving end into person's rectum
"How'd it go last night with Kevin?"
"It got so hot and heavy he even gave me an Alaskan bike ride!"
"Awww that's so sweet!"
by McFzynps September 30, 2015
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When a hillbilly has wealth and spends it on expensive toys like dirt bikes and shotguns. They tend to try to keep with the hillbilly aesthetic (chewing dip, drinking keystone light, being conservative) but don't have real, money related redneck problems, like missing a mortgage, having to work dangerous and hard jobs (logging, farming, truck driving) or having a drug dependency on meth or prescription drugs to help them work said dangerous and hard jobs.
Example 1–Person 1: Yo, this new Florida Georgia Line song slaps!

Person 2: Nah, it just reeks of dirt bike money.

Example 2–– Person 1: Yo, you seen Clyde's ranch?

Person 2: Yeah, he has mad dirt bike money because his dad owns a logging company.
by nonecaresgod September 11, 2021
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WHEN UR BIKE IS LIKE WAY TO SWAG FOR ANYONE ELSE TO HANDLE AND U RUN AROUND UR NEIGHBORHOOD AND TELL EVERYONE HOW SWAG YOUR TRICYCLE IS AND EVERYONE FLIPS OUT CAUSE OF IT
YO GANG COME LOOK AT MY REALLY COOL SWAG BIKE!
by BROTH IN MISU SOUP ONLY August 30, 2015
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