Cup-de-sac

When you drive past a chicks house in the hope of seeing her in the window, but she’s in the back. You’re in the cul-de-sac but you have to have to cup-de-sac

Janine: what you were in the cul-de-sac? I must have been in the back!
Marc: yeah, I didn’t see you...I had to cup-de-sac...