Dumboiyet 

When you are literally the dumbest person on the planet.

Son: Dad I failed my fucking math test!

Dad: You're a fucking dumboiyet!

Dumboiyet by SnakeBoiWasHere September 1, 2019

Cumboiyet 

A predecessor for Bemboiyet. It means to sustain a 16 day erection.

Son: Dad! I keep spewing out cum. What should I do?
Father: How long has this been happening?

Son: It happened for 16 days!

Dad: OMG! You're having a cumboiyet!

Cumboiyet by SnakeBoiWasHere September 1, 2019