a freakishly small penis, with little or no shaft and a very small helmet. Men usually get a "Sluggy" after taking extasy.
"once he had taken his pants off i saw he had a sluggy and i immediately asked him to leave"
by joshypl June 09, 2008
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A massive dump that’s shape resembles a slug.
Girlfriend: “Hey come and have a look at this poo I just did. It’s so big it won’t even flush!”
Boyfriend: “Damn girl, that is one massive sluggie!”
by harrygoufc November 24, 2020
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