[on the beam] {adv.} or {adj. phr.} 1. (Of an airplane) […]

[on the blink] {adj. phr.} Faulty; malfunctioning; inoperative. * /I need […]

[on the block] {adj. phr.} To be sold; for sale. * […]

[on the brain] {adj. phr.}, {slang} Filling your thoughts; too much […]

[on the fly(2)] {adj. phr.}, {informal} Busy; going somewhere in a […]

[on the go] {adj. phr.}, {informal} Active and busy. * /Successful […]

[on the house] {adj. phr.}, {informal} Paid for by the owner. […]

[on the job] {adj. phr.}, {informal} Working hard; not wasting time. […]

[on the level] {adj. phr.}, {informal} Honest and fair; telling the […]

[on the lookout] {adj. phr.} Watching closely. * /The little boy […]