When you fall in love with a product and go back to Costco to buy it again but they are out of stock.
Me: I bought these protein bars at Costco. I went back to get more and they were out.
Homie: Fool you just got costcoed!
Homie: Fool you just got costcoed!
by krustie September 17, 2021

cawst-co-gize Father-son duo on TikTok, under the alias @a.j.befumo. Known for their seemingly excessive obsession with Costco, partaking in social media trends at the same local Costco in every video. Coined the nickname due to their beaming passion for Costco.
Costco employee: Why the fuck is this grown man and his son dancing in the poultry aisle?! I see them every day!
Costco manager: Because they are the costco guys.
Costco manager: Because they are the costco guys.
by tmkkmt May 30, 2024

The act of buying something you might not need from Costco because you can always return it later. Similar to a college try.
by heavy! July 2, 2022

by r4z44 November 8, 2023

Psychological syndrome where you buy things you've never used, will never use or never use the amount you purchased before it goes bad but are completely happy about it.
"Why are you doing a new room addition?" "It is for the new spice rack because the 4 pound curry and turmeric jars I bought while suffering from Costco Syndrome won't fit in my kitchen. If I ever start enjoying the taste of either of those spices it will be great, got them at a phenomenal price!"
by T Giraffe December 20, 2018

Da Central-American country where dey make a lot of da merchandise marketed by da fifth largest retailer in da world.
by QuacksO February 2, 2023

People who soullessly walk around costco with nothing behind their majestic eyes, and eat chicken baked and a double chunk chocolate cookie.
by skibidigyattlordrizzler March 26, 2024
