(regional) Do not change from winter clothes to summer clothes until June, as there is often a sudden cold snap in May.

(idiomatic) To enjoy oneself.

(simile) Very stupid; slow to learn or understand.

(simile) Very sly, very cunning.

(simile) To sleep heavily, long and without disturbance.

Alternative form of like a chicken with its head cut off

(chiefly UK and Ireland, idiomatic, vulgar, simile) Extremely happy; obviously satisfied and carefree.

(simile) extremely light, having minimal weight

The son of unmarried parents, an illegitimate child, a bastard. / (derogatory, slang) An objectionable person. / Used other than figuratively or idiomatically: see son, whore. (the son of a prostitute)

(simile) Extremely thick and heavy, so as to make it impossible to move. / (simile, of a person) Very reliable and dependable