bleed the monkey

bleed the monkey (third-person singular simple present bleeds the monkey, present participle bleeding the monkey, simple past and past participle bled the monkey)

1. (naval slang) Synonym of suck the monkey (“to surreptitiously drink alcohol from a cask through an inserted tube”)
   • 1969, Lookout: Annual report issue, volumes 60-62:

     He invented the 'monkey fist' — a knot which gives weight to a heaving line; the union plate he called a 'monkey face' and, in times of merrymaking, he frequently 'bled the monkey' to get his grog.

• Wilfred Granville (1950) Sea Slang of the Twentieth Century