Someone who threaten's to hurt someone in a wheelchair and when the person in the wheelchair stands up for themselves, the offender runs away with their tail between their legs.
dude 1: "Hey man how was your date with Tucker last night?"
dude 2: "We made it to the next level... He totally cocknosed me in the bathroom at Starbucks!"
Person that goes from one guy/girl to another in a short amount of time. Does NOT necessarily mean going out with them; Girl or Boy that is all over someone after someone after someone for attention.
That girl has been around the block in only one month, shes a cockhopper.