when one or more parties of a hook up don't walk but bike home the next morning in the clothes from the previous night, including but not limited to; high heels, mini skirts, dresses, full jewelry, graphic tees
Benefits: significantly shortens the length of time it takes to get home in the morning.
Guy 1: That's a weird outfit to wear for an early morning bike ride.
Guy 2: Aw no man, she's just riding a bike home after she shacked. A bike shacker.