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1.
when your one hand is grabbing a girls ass and your other hand is grabbing their boob
guy 1 - hey dude pull a jally on that bitch
guy 2 (liam)- kay
girl 1 - oh liam that felt good ;)
by L.Crusher.C April 29, 2010
 
2.
To mean someone is overweight or fat
Ouch look at that large jally!

She is one jally!

by Roger Kean January 22, 2008