Silly, WASPs don't screw in a light bulb, they screw in a hot tub.
or
Because he got into treble with the cops
or
He presses the paws button.
or
A snail because it carries it's home.
or
Actually, agents will screw in just about anything.
or
Silent night!
or
Because it said CONCENTRATE.
or
A centipede with a wooden leg.
or
[A Condesending con descending]
or
got salmonella.
or