bust out laughing
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bust out laughing
To start laughing suddenly or uncontrollably. The kids busted out laughing when the clown fell down on stage.
bust out laughing
Fig. to start laughing suddenly. Bust is a nonstandard form of burst. I busted out laughing when I saw him in that get-up. The bridegroom was so nervous, it was all he could do not to bust out laughing.