стукачка znamená v Angličtina

grass [grasses]▼(informer)
noun
[UK: ɡrɑːs] [US: ˈɡræs]

snitch▼(informer, usually one who betrays his group)
noun
[UK: snɪtʃ] [US: ˈsnɪtʃ]

snoop [snoops]▼(one who snoops)
noun
[UK: snuːp] [US: ˈsnuːp]