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A smorgasboard of food. A buffet of delicassies. A number of food items served at once to a group of friends. A hectic cook up of massive proportion.
Example 1:
"I could eat the balls off a jockey and chase the horse for seconds! Let's cook up an eatathon!"

Example 2:

Geoff says "hey boys lets get some ladies around tonight for an eatathon"

Big Dog replies "how bout we get your mum around for an eatathon"
by Big_Dog_Breno July 13, 2011
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Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
by ecogoth December 30, 2020
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2
1. An eating contest.sometimes timed
Where the object is to consume as much food as possible in a given amount of time. (Think adam. Richie's man. Vs food) 2
2. Same as above. Difference being what is being "eaten" (in this. A. Cunnilingus contest)
1.bill: how did you like the buffalo wings cook-off? Mike:. Loved it! It was an absolute eat-a-thon! 2. Did you see those women from the intra mural. Team? Yah. Would love to have an eat-athon with every single one of them!
by 4realazitgits March 04, 2021
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