An honorary title earned by eating four Denny's Grand Slam Breakfasts in one day.
After eating his fourth Grand Slam Breakfast that day, Eddie became a Grand Slampion.
by Big Dave 17 October 1, 2019
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/slampɪən/

1. a person or group that wins a poetry slam competition.

2. a sports person or team that achieves a Grand Slam victory.
"And the slampion of this years poetry slam is..."

"After another Grand Slam victory, they are surely the greatest slampions of all time!"
by Matt Windle poet March 5, 2021
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