blue bike Share definition Flag Variation (*Superlative) of Town Bike, meaning a chick who gets so much action, that she's been fucked till she's blue. Dude, that chick's the Blue Bike, she fucks like it's her damn job. blue bike by Fracture April 9, 2005 0 0 Get merch Get the blue bike mug. Buy Now — $32.95 See more merch