Viagra

dad joke

is like disneyland in that they both make you wait an hour for a 2-minute ride.

Why is Disneyland like Viagra' They both make you wait an hour for a 2-minute ride.

is used by old men not because they're impotent but because old women are so ugly.

Old men don't use Viagra because they're impotent. Old men use Viagra because old women are so ugly.

is responsible for the reduction in sales of large cars.

is a drug which, if taken accidentally, will be responsible for a lesson you learn the hard way.