Sub, meaning sweaty balls (SB) and 6 inch meaning your balls are ithy as well. (inch/ itch... Get It?) ......................... A 6 inch sub can also be TOASTED which means it is stuck to your leg(s), your pants, or really anything else.
Alfred asks, "You got a 6 inch sub,"

Binjo replies, "Ya dude, it toasted too!".
by Flashing Popper May 27, 2009
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