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1.
Intellectually Handicapped
"He's a pendy boy"

"While I was at the bowling alley, there was a pendy making a lot of noise"
by Richard and Darrel Greaney January 18, 2004
 
2.
A real big loser. However you can't help but like them, because they are sweet and intelligent and make a great companion.
You're dog is such a Pendy
by Geek00 April 13, 2007