lace up your shoes
Quit trippinA reference to when your shoe is untied, and you trip
george: WTF MAN, WHY THE HELL DID YOU DO THAT!?!?!!?!
harold: Jeez man, lace up your shoes, i was just messin. just hurry to the hospital, maybe they’ll be able to re-attach them
george: yeah you’re right, sorry for trippin