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2.
Of or related to the male genitalia.
I have a 9 inch Slub a' Dub.
Would you like to wrap you lips around my Slub a' Dub?
by Jason March 03, 2004
 
1.
The oral cavity in the slubster. also the long shaftoid of the cock nballs. often used in guys ass by gay men.
the slub a dub is rock hard and erect.

the slub a dud is inserted in that bitch

please piss on my slub a dub. its gotta get wet some how. cock smoker.
by jimmy bean December 22, 2003
 
3.
A reference to the penis as heard on Adam Sandler's album "Stan and Judy's Kid".
Baby, come put your hands on my slub-a-dub.
by Wilson October 10, 2003