Which is the brightest subject?
Lit! (Literature)
Why do you dress baby girls in pink and baby boys in blue?
Cos babies can't change themselves.
What do you call a duck who crosses the road and crosses back again?
A double crosser.
What do you call a duck who crosses the road, crosses a mud...
Maybe the cashier has learning disabilities? Then you can't blame her, cos some places wanna give opportunities tp these people. But if they've been to school and everything then I'll agree that they're stupid. If not, the education system is down on the rocks.