Never Again!!! Edit Meaning

1. The study of knobs - The Penis kind I have been studying knobology for 25 years See knobologist, Knobologist..

1. To have doggie-style position sex (with lubrication) where the partner behind does not use their hands to hold onto the hips. Also known..

1. Equal to zero. "How many times did Kelly mention my name?" -Zack "Zip. Zero. Zilch. Zippity do da!" -Screech..