What does "dut" mean?

Initialism of device under test.

Dut

intj, noun

intj, noun ·Rare ·Advanced level

Noun

1
Initialism of device under test. abbreviation, alt-of, initialism
2
A snug woolly hat. Geordie
"There was a kid at our school called Dean Smith who used to wear a 'Benny Dut' to demonstrate how unfathomably stupid he is."

Intj

1
Said typically in marching bands and drum corps to keep track of beat when one is not playing.

"There was a kid at our school called Dean Smith who used to wear a 'Benny Dut' to demonstrate how unfathomably stupid he is."