Grandslam

What is Grandslam?

A term more commonly used in the UK, it is simultaneous defecation and vomiting, usually upon oneself. Normally occurs post heavy-drinking.

Did you see that bloke who just Grandslammed in the bathroom?

See shit yourself, vomming

group sex

I hit a "GRANDSLAM" last night!!!!

Gbith3f

1. Short for "Get Back In The Halo 3 Forum". Used by members of the Flood whenever someone posts Halo 3 related material in the F..

Hanging Gobbler

1. when your friends arent looking you turn around and pull your pants down. you the grab the top of you dick and jerk it around so your ba..

Holyshiteriffic

1. Very similar to exclaiming Holy shit! But with the 'terrific' at the end, you are exclaiming holy shit as a good thing. Ex.: ..

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Grandslam Edit Meaning