Synonyms of knock something back in English:

knock something back


See definition of knock something back

phrase

1‘she knocked back her gin’

SYNONYMS
swallow, gulp down, drink up, swill down, swill, quaff, guzzle, toss off, consume, finish
informal down, swig
get one's laughing gear round
North American informal scarf, scarf down, scarf up, snarf, snarf down, snarf up, chug
rare ingurgitate, bib