toss off
• produce something rapidly or without thought or effort.
• "some of the best letters are tossed off in a burst of inspiration"
• drink something rapidly or all at once.
• "Roger tossed off a full glass of Sauternes"
Similar:
drink (up/down),
quaff,
swallow,
gulp (down),
drain,
put away,
guzzle,
sup,
sip,
finish off,
down,
swill,
swig,
slug,
sink,
kill,
polish off,
knock back,
neck,
scarf (down/up),
snarf (down/up),
chug,
ingurgitate,
bib,
• masturbate.