Regretist 

a devoted follower of the Regretism culture founded in 2011 Colorado, Miami by the people who didn't shoot their shots

Johnknee: Oh my lord. The cable turned off. I wish I hadn't suck a nigga dick for free.
Timmy: What's up with Johnknee.
Bob: Don't worry about it he's just a Regretist.

Regretist by Regrestist001 May 5, 2021

No regrets 

The good feeling you get that follows you doing something really good or doing something you probably shouldn't have.

*Side effects of the second senario may result in some or many regrets at a later date.

1. I'm proud of what I did today. I tried my best, no regrets.

2. (After doing something crazy) That was awesome. I can't believe I did that, no regrets!

No regrets by GhostWriter429 August 11, 2016

After Fap Regrets 

The feeling of regret after one has masturbated to a girl or guy, he/she was either not attracted to, or felt annoyed by, prior to masturbation.

Dude.. the other night i was flirting with Kim.. after Masturbating i had some After Fap Regrets and didn't talk to her anymore.. Made things awkward 1st block.

Also commonly used as After Fap: Dude i found out she was fat after i masturbated.. Major After Fap

After Fap Regrets by Bro_ca_Cola March 17, 2011

regretfast

When you pack a lunch but eat it well before noon, due to boredom or anxiety, screwing up your eating schedule for the rest of the day.

Can you lend me some cash for the vending machine? I brought a sandwich to work but ate it for regretfast at 10am.

regretfast by very_clever_pseudonym October 1, 2021

instantly regrets it

it’s basically in most of dharr mans titles, for short it’s like karma

some random thief: hahahaha I’ll steal your money
random man: noooo please you’ll instantly regret it
thief: *instantly regrets it*

instantly regrets it by imFal June 9, 2021

Regretsit 

The uniquely British emotion of feeling extreme unease following hasty, ill advised, possibly intoxicated decision making.

The German chancellor chuckled quietly to herself. Her schadenfreude could not be contained as she contemplated the regretsit experienced by those ungracious, tea swilling, island folk.

Regretsit by @peSh!t crayzee July 11, 2016

Love regrets. 

Could mean two things.. When you regret not taking an opportunity to date someone you really love, and you regret not doing it.

Or.. Dating someone you wish you never did, you regret dating that person.

Love regret.

Example; I regret dating her now, she made me so unhappy.

Example; I regret not dating her now, she would of made me so happy..

Love regrets.

Love regrets. by Mr Psychotic July 6, 2010