Glottal girls
A strange girls-only intonation is spreading fast in England. Somewhat parallel to the girls-only patterns in Japan, but with an extra flip added.
Jap girls lengthen the last vowel in a sentence and slide the tone up then down, stopping short of a dominant key. Males go the opposite way, with a sharp short toneless ending on every sentence.
Example
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The new English girl-tone has a similar downturrrr\`\rrrrnn, but with a strange glottal stop in the middlll\`\lllle. Best example is the British sorority girl in this TV Burp episooo\`\ooooooode.
Starts at 1:55 in the clip.