(UK) Shortening of Aah, Bisto.

The act of chewing; mastication with the mouth. / Level of chewiness. / A small sweet, such as a taffy, that is eaten by chewing. / (informal, uncountable) Chewing tobacco.

Somewhat or partly sensuous.

(chiefly US, idiomatic, politics) To vote, unite, or otherwise co-operate with members of another political party in order to achieve governmental or political action.