to wank,
to tame the one eyed monster,
to make the cyclops cry,
man's favourite outlet,
a date with mrs palm and her five
lovely daugters,
toss yourself off,
etc etc
1. the act of pandering to one's own pretensions by making an excessive fuss over the quality of wines at a party.
2. wine wankery.
Origin: 2007; Gk oǐn(os) wine + after Onan, son of Judah (Gen. 38:9)
"The importance of the difference in taste between a two-year-old Portuguese douro and a two-year-old Portuguese dão can only be fully explained by an expert in oenanism, desperatetly trying to score at a houseparty at 2.30 in the morning."