In the 60s, The Beatles were in their hayday.
by Nixee March 11, 2015

When it Hays a lot during the night and then the next day there is so much hay you can not get out of your house. And as such you have a totally awesome time.
by Drpepperx December 16, 2010

when an upper classman or group of upperclassmen designate a day to go beat the living hell out of any underclassmen that gets in there way or just looks like they could use a good beating
by pure justice October 16, 2008

Person 1: Back in our hayday we didn't get this much homework.
Person 2: You fool, what hayday? We always got this much work!
Person 1: Oh yeah. What's wrong with me?
Person 2: My thoughts exactly.
Person 3: Did someone say hayday? I was quite the baller in mine.
Person 1: Go away dude.
Person 2: Yeah nobody asked you!
Person 2: You fool, what hayday? We always got this much work!
Person 1: Oh yeah. What's wrong with me?
Person 2: My thoughts exactly.
Person 3: Did someone say hayday? I was quite the baller in mine.
Person 1: Go away dude.
Person 2: Yeah nobody asked you!
by bleached101 June 14, 2019

by Da illest alchemist January 22, 2023

Someone who devotes there time and hard earned money into the legendary game of hay day. This person takes at least 6 hours out of their daily life to tend to their chickens, pigs and sheep and has the farm pass on their subscription list
by Haydayforlife December 13, 2021

The best fucking farm game out there in Google play, App Store whatever the hell you play on. This game is goat. Fuck township, play Hayday.
by clit flicker 200 January 21, 2023
