fluctuating 

to change frequently

Her mood is always fluctuating

fluctuating by tzl67 April 1, 2017

Funstrating 

When something is both incredibly fun but also very frustrating at the same time.

Ben: Hey that game looks like a lot of fun!

Chris: It is a lot of fun but it frustrated me too. It was funstrating.

Funstrating by cdhstarz September 7, 2017

Flustration 

When you get so flustered, you become greatly frustrated.

He looks at her and she blushed and puffed out her cheek in flustration

Flustration by Bruh_im_gay September 12, 2018

Fluctuating IQ 

The condition of someone whose intelect is so random it cannot be determined. Someone who shows to have an advanced intelect in certain situations, and in the next moment can genuinely be the complete opposite.

Matt can be an idiot sometimes, but I've also seen him doing very smart decisions, it's like he's got a Fluctuating IQ.

Fluctuating IQ by aasrg1802 August 5, 2020

Frustraging

When frustration turns to rage

I’ve past frustration into full frustraging

Frustraging by Riotgrrrl13 April 6, 2022

frustrAIting

When the AI isn't listening to your prompts.

Yeah man, the face looked great but it kept giving her like 18 fingers, it's so frustrAIting

frustrAIting by Envvi August 31, 2022