1 definition by tantryl

When a normally strict catholic girl gets incredibly frustrated and tries to use bad language. Not being used to it, she'll combine insults she's heard - in this instace: Motherfucker & Dickhead. Motherdick.
Liberal friend: "Jesus loved the cock".
Uptight Catholic Girl: "You're... such a... motherdick!"
by tantryl August 23, 2006
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