US /ˈtwɪt̬.ɚ/
UK /ˈtwɪt̬.ɚ/

1.
a social media platform where users post and interact with short messages called 'tweets'
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She announced the news on Twitter.
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He spends a lot of time on Twitter.
1.
2.
a state of nervous excitement or agitation
:
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She was all in a twitter before her presentation.
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The news put everyone in a twitter.
1.