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.
A machine that runs particularly well and smoothly.
A humdinger; something or someone exceptional or outstanding of their type.
The newlyweds took a hummer limo back to their casino resort.
A hummingbird.
A Humvee.
Something that generates a lot of attention, talk, and excitement.
One who hums.
A fastball.
Fellatio, especially when the person performing the act vibrates their mouth by humming.
An arrest on false pretexts.
A very energetic or lively person; a powerful lively thing.
Someone who upsets or irritates others; a trouble-maker or controversial figure.
A type of vehicle resembling a jeep but bulkier.
A tantrum or fuss.