He made a stupidass mistake that cost the team the game.

Don't be such a stupidass; double-check your calculations before you submit them.

He regretted adding so many stupidies to his email, knowing they'd damage his reputation.

Her suggestion sounded stupidish in the meeting, but it actually solved the problem.

Her insistence on ignoring the facts stupidifies the debate.

The algorithm is stupidifying users by prioritizing clickbait over nuance.

The educational policy's gradual stupidification of the curriculum worried teachers and parents alike.

After years of cutting content to appeal to the lowest common denominator, the network's documentaries were stupidified into sensational soundbites.

Watching nothing but clickbait news seems to stupidify public discourse.

Don't be such a stupidhead when you're driving; pay attention to the road.