Alternative form of head-scratcher.

plural of tree of heaven

(idiomatic) A heart (or by extension, person) in a very fragile romantic state, one that is easily made broken-hearted.

(idiomatic) To cause a person to feel grief, disappointment or sadness.

Any of various heating systems in which a central source of heat is used to distribute heat (and sometimes hot water) throughout a building in a controlled manner.

The cutting metal portion of an axe.

Alternative form of wrongheaded

(simile) Very energetic and enthusiastic, especially when sexually aroused.

(simile) Alternative form of like a dog in heat

(biology) in estrus; receptive to mating