15
To awake one fine morn, and verily discover one's matress resembling a ordinance survey map with a rather warm chocolate log spread all over it as well as spew on your face and pillow.
"I do not think she will want to see me again after I came home totally ringbolted and grand slammed the bed, although your mum is a bit of a dirty slapper."
by Terry Fuckwit June 24, 2004
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16
When you go from first base, to second, to third, and to fourth base multiple times throughout the night.
"Dude last night I got a Grand Slam from Ashlee"
"Nice Bro! I would kill to even go to first with her!"
by TheLoveDrunkPoet June 23, 2012
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17
Rock band former by Phillip Lynott when Thin Lizzy split up. Toured Europe continuously but never recorded anything due to Lynotts untimely death.
Grand Slam bootlegs are very sought after by collectors.
by black flag May 29, 2004
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18
When you have gotten to third base with someone, and instead of loosing your V card to only them, you have a Threesome instead.
Hank: Yo man you will never guess what happened last night with Janet.
Jimmy: Did you finally get to home plate?
Hank: Even better, her sister was there and wanted in, so I got a grand slam!
Hank: word
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19
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.
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20
When a woman orgasms so intensly she squirts, pees, shits and even starts her period.
That wasn't an orgasm, that was a grand slam.
by squirty girl February 18, 2012
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21
Like a slam, only grand.
Oh man, that was a grand slam right outta the ballpark!
by Matt November 03, 2003
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