George Carlin incorrectly used the phrase bilabial fricative to refer to the sound of blowing a raspberry, which is correctly called a linguolabial trill (except as performed by chimpanzees).
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Jack Black also incorrectly used the phrase bilabial fricative in the special features of the Tenacious D in The Pick of Destiny DVD.
Fricative consonant | Voiceless alveolar fricative | Voiced alveolar fricative | Uvular fricative |