Because boys have one extra leg and girls have one extra mouth.
He said never mind we'll walk.
Because when you see it, you turn 360 degrees and walk away.
Because he lost his marbles.
Because if there were one more, it'd be two forty. (Too farty) This works much better when spoken out loud. The joke how Irish people pronounce "forty."
Because they want the D.
Keep em coming boys and gals. This is making my 15 car ride way better!
Because the testicles
Tripod, because they have an extra leg..