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1.
The act of masturbating with your left hand to mix things up in your pleasuring expirence. During the middle of this you realize that you are so lonely that you start to feel shameful for using left hand shame.
I had sex with an exotic stranger known as my left hand. I felt like shit after wards and it was probally my left hand shame.
by rh15 August 25, 2009
 
2.
Masturbation with the opposite hand.
Charlie uses his left hand to whack off.

Charlie and his sister had some left hand shame in the back seat of his stalker van.

Charlie had some left hand shame after he was made a bitch in front of his sister.
by Sheisse Grenata March 05, 2009