She's the one with dirty knees.
An explosive punchline
Because someone told him to get along little doggie.
Me: *Points to heart* Nurse: Awwww that is so cute! Me. *COLLAPSES FROM HEART ATTACK*
Only one but he has to have a nurse to tell him which end to screw in.
It's the one who has knee pads on.
She's the one with the dirty knees.
They're the one with the dirtiest knees