The act of calling someone and then immediately hanging up, in the hope that the recipient of the call will call back.

trouble

to have trouble (with something) / to be bothered (by something), to be vexed, to be troubled, to be in trouble

there are many, there is much, there are numerous

many, much

multi-

(onomatopoeia) the sound of a dog barking: bow-wow / (onomatopoeia) the sound of crying loudly: waa waa

(childish) a dog (animal)

(business) one on one meeting between an employee and a superior

limits, bounds, end