a noise displaying exasperation/regret over something stupid that has been done.
1.) "Blehh i shouldn't have told him i liked his hair now he must think i am a creeper."

2.) "Blehh, wtf those n00bs dissed my ch@t Bo@rd!!!."
by Dylfish November 22, 2007
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When you ding country boy i love you and you stick your tongue out and say: “blehh”.
by DoYouEvenSkate February 12, 2019
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