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1.
A younger guy that older ladies want (usually 10 years younger or less)
1) Mmmm... I so want John to be my stud puppy

2) That stupid moron Ashton Kutcher is Demi Moore's stud puppy. Her kids are practically as old as he is!
by Stud Puppy July 18, 2005
 
2.
1. An very attractive young man

2. A hottie
Lauren: Jason is a total studpuppy, lyke omg
Lacee: Yeah like, i know!

by anna123 April 11, 2006