What is the meaning of barrel laughs in idiomatic expression?

"Barrel laughs" is not a standard idiomatic expression in English. It's likely a creative variation on the common idiom "belly laughs".

Here's what the idiom "belly laughs" means:

* Belly laughs refer to loud, hearty laughter that is so intense it causes your stomach to shake or your belly to jiggle.

* It signifies a moment of extreme amusement and joy, often associated with physical reactions like gasping for air or clutching your sides.

While "barrel laughs" might be used figuratively to emphasize the loudness and intensity of laughter, it's not a widely recognized idiom.