Grand slam

A highly prestigious award given to the team who finishes UNDEFEATED in the 6 nations rugby championship. In other words, NO TEAM COULD BEAT THEM, THEY WERE TOO GOOD FOR ANYONE, NO-ONE COULD MATCH THEM FOR CLASS, SKILL, FINESSE, PACE, AGILITY, PASSION AND SHEER BRILLIANCE.

Wales won the GRAND SLAM after kicking everyone elses arse.

by God HelpEnglandInTwickenham June 23, 2005

Grand Slam

Like a slam, only grand.

Oh man, that was a grand slam right outta the ballpark!

by Matt November 03, 2003

Grand Slam

A meal served at Denny's. Usually consists of eggs, sausage, pancakes, and a drink.

I ordered the Grand Slam for breakfast.

by MoleDeMesa October 02, 2003

Grand Slam

When you have a joint,Blunt,Bong,vaporizer one after another

Alfred Giggles:I have a quarter o , do you guys want to do a grand slam

Arnie Berkwitz: as long as it is free

by dj dubsack jones December 25, 2008

Grand slam

During intercourse, one takes out a baseball bat and rams it into the anus, ad=nd when the bitch screams, take it out and knock her ass out.

I gave my grandma the grand slam yesterday.

by billy bob February 06, 2003

Grand Slam

A sex move that involves two guys getting it up the ass in weird ways.

Eww, I heard Jamie was Grand Slamming Jordan last night!

by Forgott|e|n July 31, 2008

Grand Slam

When a guy is able to have sex with all the sisters and mother of a family.

Did you hear Dave hit a Grand Slam, he had sex with Sara, her mom, and sister (separate occasions).

by Mr.Crayonbox February 24, 2021