Closetomer 

close·tom·er
noun
1. A person or organization that intentionally inhibits a business from closing their duties within its operational hours. These individuals will enter a retail store, restaurant, or business- with the explicit purpose of detaining the employees on the premises from going home for the day.

"Ms. Harrison was a terrible regular closetomer at the designer outlet"

Closetomer by ThePageMaister September 13, 2022

closeteer 

One who acts gay, dresses gay, and/or engages in any type of obvious faggotry or blatant homosexuality but frustratingly will not come out of the closet. The opposite of a slysexual.

I swear I literally overheard Sean and his girlfriends talking about their girls night out last weekend" and he STILL says hes not gay. what a closeteer!

closeteer by TyCoLicious January 23, 2011

costomer 

An unprofitable customer, or a customer that costs the business.

If we let him use all those coupons we'll go broke. Tell that costomer to go away!

That guy keeps finding little glitches in our program, and it's taking like 5 hours a week of our time just to help one person. Plus he's always sending spam and we're getting letters from ISP's. He is a VERY BAD COSTOMER.

costomer by Benjamin A December 14, 2008

Clustomerfuck 

A serious problem causing customers to become very irate. (From Clusterfuck)

The server was down for almost 2 hours. It was a complete clustomerfuck.

Clustomerfuck by mlw_srpm January 22, 2011

Closeter 

One that is bi or gay, however still in the closet. Someone who is secretly gay or bi and will frequent homosexual dating apps looking for a member of the the same sex to have intercourse with.

Kevin was on Grindr and searching for a hookup and spotted Cindy's boyfriend in his search results...that is a closeter if I ever saw one

Closeter by huskerpower76 September 23, 2016

Costomer 

A customer whose complaints and requests for additional and or modifications to service or product eliminates all profits and instead starts to cost money.

With those changes we are doing company x is becoming a costomer.

Costomer by grendelprime1966 April 19, 2021

Clustomer 

When multiple people enter an establishment to make only a single transaction, unnecessarily complicating a simple job by sheer weight of numbers.

Five students holding a table by ordering a single beer; that's a clustomer.
I'll call you back, a clustomer just walked in. I'll need a drink after this.

Clustomer by Bobannaliffia May 4, 2015