adj. When something or someone is so good that it elicits an o-face.
This pizza is definitely o-grabbin.

This band is o-grabbin.
by mopple September 25, 2003
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When you start by laying back and relaxing with your hands behind your head while getting an intense pornstar blowjob. You then finish by getting a huge nut while grabbing the sheets, curling your toes, head thrown back with your mouth forming an o-shape.
Dude I was chillin then grabbin o's last night. It was sweetly intense. My girlfriend gave me some awesome head for my birthday then gulped down my sperm twice.
by Watchinfool September 30, 2023
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