bend one's elbow
Definition from Wiktionary, the free dictionary
Suggesting the motion of an arm raising a glass to drink.
- (idiomatic) To drink alcoholic beverages, especially at a public house or bar.
2002, Jacques Stephen Alexis, In the Flicker of an Eyelid, page 32:
- One day is no worse than the next for El Caucho; so it's a whim when he starts bending his elbow or ties one on. When he is really "plastered," El Caucho looks grim, but he isn't really nasty.