In poker, a game that alternates between Texas Hold'em and Omaha. Omaha is represented by "A" because in other poker acronyms (such as "HORSE"), "O" is used to mean Omaha Hi-Lo Split; in "HA" the Omaha game is High-only.
He spent all day in the online poker rooms, winning $1K in 7-card stud, but losing twice that much playing 5-card draw, HORSE, and HA.
the need to always be right and close minded of the opinions of others. These people are usually data analysts that drink Tall Extra hot no foam latte with whole milk