shmeconds 

The unit of time used in the timers of Mario games that aren’t actually seconds as it ticks down way faster than a second

1: bro why’s the time limit already over, it said I had 300 seconds for the level
2: no, this is a Mario game, the timer runs in shmeconds
1: that makes no sense

2: yep

shmeconds by Emerald-Fluffie June 15, 2022

seconds per frame 

seconds per frame (spf) is used when talking about the performance of a potato in gaming

Tom: Damn, Cold War is running amazing on my new PC, 60 fps at 4K!
Dan: Woah, that's amazing, my potato is doing 60 seconds per frame.

seconds per frame by dragonbgn January 21, 2021

secondsary

A couple's celebration of their happiness and intense love for each other not literally observed every second but every moment spent together.

Dingdong Dantes and Marian Gracia-Dantes are so into each other that they have a secondsary every chance they get.

secondsary by donandmarie November 8, 2009

Poseidon's Sloppy Seconds 

When toilet water that somebody else pissed or shit in splashes back onto your asshole after you shit in it.

I thought Poseidon's kiss was bad, but then I experienced the horror of Poseidon's sloppy seconds.

Poseidon's Sloppy Seconds by Fucious March 12, 2015

Shmelons 

A showered melon, any type cantaloupe, honey dew, etc.

Wow those shmelons are so clean I wanna eat them.

Shmelons by hjb/k.bn j/lb September 17, 2016

Sloppy Seconds Bandwidth 

When you share WiFi with a porn junkie & it slows down your internet speed.

Peter: Why can't I stream Portlandia on your Roku account?
Lauren: Thats because Troy downloads so much porn so I get sloppy seconds bandwidth.

Sloppy Seconds Bandwidth by A-Dub from UDWRFC May 8, 2012

12 seconds 

The amount of time it takes to defrost a hotdog bun.

If you try anything other than 12 seconds, your hotdog bun will remain icy cold or catch fire.

12 seconds by Lazy chestnut August 20, 2006