grouch
US /ɡraʊtʃ/
UK /ɡraʊtʃ/

1.
huysuz, somurtkan
a habitually irritable or complaining person
:
•
Don't be such a grouch, it's a beautiful day!
Bu kadar huysuz olma, güzel bir gün!
•
My grandpa is a bit of a grouch in the mornings.
Dedem sabahları biraz huysuzdur.