Top Definition
The creation of a beautiful new baby by porking a girl in the toot shoot and accidentally breaking through the perianum while busting a nut. Thus the term Grundel Baby.
While I tried to park my H2 in the back of her single car garage, I slipped and busted a Grundel Baby maker move. She was upset.
by john gruber September 22, 2006
9 Words related to Grundel Baby

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