Tweeting one thing when you mean another. A double entendre in 140 characters or less, usually an inside joke between friends on Twitter.

Also known as a Subaru
"I'm taking a dump, from the 8th Floor" a sub-tweet directed at @AlyKhanSatchu, who greets his followers from his 8th Floor office every weekday morning
by Mwirigi December 26, 2011
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