poison oneself v.
to take a drink.
|Bulletin (Sydney) 22 Aug. 14/3: He was journeying in a coach [...] and had for a fellow-passenger a genial-souled gentleman who got off at every pub. to sluice his neck with the liquid damnation, and each time tendered the Rev. Julius a pressing invite to come and poison himself, which the latter coldly declined.|
|‘The Darling River’ in Roderick (1972) 90: He invited the boys to ‘pisen themselves’.|