A pair of legs.
Son: "nice try, a chair!" Dad: "Nope. Our dog just died."
A sentrypede.
Because theres so many wings and wongs you wing the wong number.
They never let you finish first. (#s)
It was a Thai.
A peng-lose!
Kurt n Rod.
To-mate-toes!
Not being a cripple.
All the ones who can run/swim/jump already made it to America.