While watching a Home Chicago Blackhawks game, when Chicago scores a goal, you then scream the chorus of Chelsea Dagger by The Fratellis. The song being the goal song for the Blackhawks
Johnny was blackhawking so loud, his neighbors filed a noise complaint.
slang for a gay males having sex...anal sex...How one would be behind the other person with his arms and hands over his shoulder thereby being like on wearing a backpack.
Like scissoring for Lesbians.
Aw...those guys look like they are going backpacking!