Doctor, Doctor! my sister thinks she's an elevator.
Tell her to come in.
I can't. She doesn't stop at this floor.

Alfie was listening to his sister practice her singing. ' Sis,' he said, 'I wish you'd sing Christmas carols.'
'That's nice of you, Alfie,' she replied. 'Why ?'
'Then I'd only have to hear you once a year !'

Mary: Do you think my sister's pretty ?
Gary: Well, let's just say if you pulled her pigtail she'd probably say 'oink, oink '!

Why was your sister fired from her job as an elevator operator ?
Because she couldn't remember the route.

Why did your sister refuse the gift of a Japanese car ?
Because she'd never be able to learn the language

Did you hear about the girl that got her brother a birthday cake, but could not figure out how to get the cake in the typewriter to write 'Happy Birthday?s

Why did your sister plant birdseed ?
Because she wanted to raise canaries.

Why did your sister ask your father to sit in the refrigerator ?
Because she wanted an ice-cold pop !

Why does your sister wear a life jacket to bed ?
Because she sleeps on a water bed.

Why did your sister put her socks on inside out ?
Because there was a hole on the outsides