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1.
n. Vulgar Slang

1. Colloquial slang for masturbation.
"the mother walked into the room while the young man was wallpapering the kitchen"
by Vutton February 27, 2004
 
2.
vb. coll. slang for masturbation, often aided by William Hague speech CDs.
I'm off to read for a bit and then i might wallpaper the kitchen.
by Olly February 27, 2004