Spaceman
What do you call a crazy spaceman?
An astronut.
Fat
Yo momma's so fat, when she went to the beach, Greenpeace tried to drag her back in the water.
Medicine
Is it time for your medication or mine?
Politicians
Don't vote - it only encourages them.
Taxes
Don't overtax yourself; it's the government's job to do that.
Lightbulbs
How many boring people does it take to change a light bulb?
One.
Talking
Keep talking. I always yawn when I'm really interested.
Mother-in-law
'I just bought my mother-in-law a Jaguar.'
'Cor - I thought you didn't like her.'
'I know what I'm doing, it's bitten her twice already.'
Mouths
What has a big mouth but is unable to talk?
A glass jar.