What was the cannibal called who ate his father's sister ?
An aunt-eater!

Boy: My sister's the school swot.
Girl: Does she do well in exams ?
Boy: No, but she kills a lot of flies.

Witch: Why have you stopped playing cards with my sister ?
Wizard: Well would you play with someone who cheats all the time, is a poor loser and keeps tearing up the cards ?
Witch: No I wouldn't.
Wizard: No, well nor will she.

Did you hear about my sister ? she saw a moose's head hanging on a wall and went into the next room to see the rest of it.

Why did your sister put a chicken in a tub of hot water ?
Because she wanted the chicken to lay hard-boiled eggs

Witch: Doctor, Doctor, my sisters think I'm mad because I like peas.
Doctor: There's nothing wrong with that, I like peas too.
Witch: Oh, good come back to my hovel and I'll show you my collection.

A little demon came home from school one day and said to his mother, 'I hate my sister's guts.'
'All right,' said his mother, 'I won't put them in your sandwiches again.'

My sister thinks that a juggernaut is an empty beer mugs

'What's your father's occupation ?' asked the school secretary on the first day of the new term.
'He's a conjurer, Miss,' said the new girl.
Witch: Why have you stopped playing cards with my sister ?
'How interesting. What's his favourite trick ?'
'He saws people in half.'
'Golly, Now next question. Any brothers or sisters ?'
'One half brother and two half sisters.'

Why was the boy unhappy to win the prize for the best costume at the Halloween party ?
Because he just came to pick up his little sister.