удумал

decided to, thought of

→ удумать
у away or off; often marks a completed action + дум think, consider + ал Past tense, masculine singular
verb · singular masculine, past tense Rare #50,177
decided to, thought of Colloquial; often expresses surprise or disapproval.
RU: Что ты удумал?
EN: What have you decided to do?

А главное, чё бежать-то вдруг удумал-то?

And most importantly, what made you suddenly decide to run?

— Son of a Rich (2019)

Ишь чего удумал?

Look at what he's come up with!

— Жить (1994)

Ты что это удумал?

What have you cooked up?

— Сельма (2014)

Молчать удумал?

Are you planning to keep quiet?

— Преследователь (2008)