The phrase "empty laughter" is correct and usable in written English
You can use this phrase to describe a situation where someone laughs without joy or feeling, often in an effort to hide or mask their true emotions. For example: "After I made a joke about his dead father, his empty laughter filled the room."
We both disliked dog owners in their dog-owning character: the empty laughter as the dog jumped up on you; the relentless apologies for the dog's bad behavior, along with the smiling assurance that it was all actually rather cute.
Main and Stadtman (1981, p. 301) noted, for example, that in one of the avoidant infants they observed that "in apparent direct response to the mother's physical rejection, the infant grimaced, engaged in odd and empty laughter, kicked her feet many times in sudden peculiar tension movements, and engaged in stereotypies".
Empty without their laughter.
Respiration - Frequent belly laughter empties our lungs of more air than it takes in resulting in a cleansing effect, similar to deep breathing.
He dragged an empty chair onstage, to laughter from the audience.
A bit later, he said, "Silence combined with pure laughter will help empty your mind".
I can see the TV is on in the living room, Canned laughter in the empty house Like the sound of beer cans tied to a hearse.
Robina Muqimyar chases her training partner across the grass infield onto the track, her laughter illuminating the empty Kostas Kenteris Stadium as dusk falls softly around them.
His jokes worked on the whole, unlike the gags used by most of his colleagues, which were greeted by barely audible laughter, like an empty Burger King box blowing across a deserted street.
As my mother hissed out Italian slang, Fat Mike bellowed congenially from his perch, "Yo, Ange, where'd ya get ya license – Sears Roe-BUCK?" My father cracked a crooked smile as my mother glared at Fat Mike, who was jiggling in laughter, waving his empty cup.
