cock a

cock a snoot

To regard someone or something with disrespect. Primarily heard in UK. Don't you cock a snoot at my instructions—I'm your superior!
See also: cock, snoot

cock a

snook/snoot Chiefly British
To thumb one's nose: "[The clock] is set wrong and hung crooked, as if to cock a snook at the importance of time" (Kevin Crossley-Holland).
See also: cock
References in periodicals archive ?
freezing is a concern, install a "stop and waste" valve on the pipe as close to the sill cock as possible (yet inside a heated area).