1) act of attending an exhibition, usually competitive, of farm products, livestock, etc., often combined in the U.S. with entertainment and held annually by a county or state.
2) act of partying and drinking for a period of time at an outdoor event with friends and family.
3) attending an event with music, foods that come on a stick, and lots of beer.
1300–50; Middle English feire < Anglo-French, Old French < Late Latin fēria religious festival, holiday ( Medieval Latin: market), in L only plural; akin to feast.
1200-15; West Allis feire < Stallis-Saxon>
Dan took off for the state fair and will be fairing.
If you are not fairing, you're failing.