(informal, UK) a little bit, somewhat, kind of; a good amount

(set phrase) A friendly warning of something undesirable.

plural of fair warning

A market fair with sellers operating out of the boots (trunks) of their cars; a swap meet or flea market requiring little more than a meet.

Alternative spelling of fair dos

Uncommon spelling of fair dos.

Alternative letter-case form of state fair

(US) An annual competitive and recreational gathering of a U.S. state's population, usually held in late summer or early fall.

(idiomatic) One who is friendly, helpful, or available only when it is advantageous or convenient to be so.

It is allowable to retaliate against an enemy's dirty tricks by using the same ones against them. / Taking turns is morally right.