Top Definition
The act of a third party member masturbating two erect males whose penis' are touching by their tips. The handjob giver will slide his hand in a horizontal motion from the end of one penis to the other. This act is usually accompanied by the use of a water-based lubricant and great forearm strength by the masturbator. Coined on February 28th in the year of 2010 by the Great Snail, Slug Tugging has since become a National Pastime of all very masculine heterosexual males.

Note: The masturbator cannot be a woman because that would be just pretty fucking gay.
Snail: Hey Faggot Joe, come give me and this attractive non-ethnic, white male a god damn Slug Tug.

Faggot Joe: Yes sir.

Snail: Good bitch.
by SnailTheSlugTugger March 01, 2010
That thing where the circumcised penis head approaches the uncircumised penis head and the foreskin is slipped over the uncircumcised penis and used to jack it off.
"It's not gay if it's just a slug tug."
by AngeMarie February 13, 2015
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