кукситься znamená v Angličtina

sulk [sulked, sulking, sulks]▼(to express ill humor or offence by remaining sullenly silent or withdrawn)
verb
[UK: sʌlk] [US: ˈsəlk]

pout [pouted, pouting, pouts]▼(sulk, (pretend to) be ill-tempered)
verb
[UK: paʊt] [US: ˈpaʊt]