mono cap 

when someone is trying to enter a list of numbers and is taking a really long time.

jeez, that was a mono cap for sure.

mono cap by Apollo graham January 28, 2021

monocapable 

Someone who is only capable of maintaining one romantic and/or sexual partner at a time.

Because I’m monocapable I can’t date more than one person at a time.

monocapable by Stranger Tides February 13, 2021