The area of skin between your scrot and your anus, otherwise known as the bifkin, taint or perineum.
If 'tweren't there your guts would fall out.
von bigdave 30. Dezember 2003
conjunctive form of (if) it were not (for)
tweren't for hate and fear, we'd all know peace in our lives
von imaginepeaceonearth 10. November 2010