Top Definition
A born loser. The word originates from and is comprised of the two words 'Shlong' and 'Donkey'.
Look at that shlonky wearing a button-down dress shirt with sweatpants.
by jeru411 October 12, 2005
1 more definition
The result of having so much sex your dick stops working. It just hangs there and is useless.
Charlie Sheen bonned so many whores his dick turned into a shlonky.
by McJew April 25, 2013

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