regretro 

an item of clothing or from pop culture, band, singer, movie, slang, ect. that was cool at the time but looking back has you hang your head in shame for liking it.

Ke$ha is going to be so regretro in a few years.

regretro by zucchinikill May 24, 2011

Reretron 

Retarded things

Cody was reretronning last night
That blonde wasn't a reretron

Reretron by Sadnus January 7, 2012

regretrospect 

Thinking about something you did and in "retrospect" regretting it.

By the way thought of this after seeing the "expression" (not even a word) fucking retrospect. Seems kinda crude. Challenge folks to be me more creative!

Two guys talking several weeks after a wild night out in Vegas.

Hey man you okay, you don't look so good.

Yeah, I sorta picked something up in Vegas that didn't stay in Vegas. In regretrospect I should have run from the tequilla shooter girl...

regretrospect by Commoguy July 10, 2011

Regretos 

Robertos Mexican food.

You want to get some burritos from Robertos?
I can’t it always gives me diarrhea! Then it becomes Regretos.

Regretos by Yoursistersplunger April 15, 2021

Stiletto Regretto 

the regret from wearing high-heeled shoes on a night out.

Sufferers of Stiletto Regretto face severely diminished party drive. Early-onset Stiletto Regretto is known as Cobble Wobble, initiated by the wonky journey made in heels on the uneven street. If already intoxicated, Stiletto Regretto can often lead to a single tear on the cheek - known as High Heel Feels.

Jen contracted Stiletto Regretto when she walked into the bar and was taller than all of her friends.

Stiletto Regretto by nolandc September 28, 2019

Regretrospect 

When you look back on something embarrassing or unfortunate you did in the past

Damn man, did you even look at that grenade before you hooked up with her last night?

Dont even remind me, I can barely shake this regretrospect as it is

Regretrospect by zee183 November 21, 2011

Regretos 

When you know you fucked up by hitting up that taco shop

Man that spot was a straight regretos, ain’t ever going back there.

Regretos by mrSirNasty July 1, 2022