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1. boo hoo
The term is imitation of the sound of someone crying or sobbing. It is often seen written, like in cartoon speech balloons. Less often, a person may say it aloud in an affected way to convey sadness or disappointment. Can be used sarcastically.
"Boo hoo," cried the little girl after she fell off her bike.

- OR -

"Boo hoo!" mocked the others, "Don't be such a crybaby."
by oskiwee Dec 5, 2004 add a video
2. Boo Hoo
Past girl
She usez to be my boo. Now she'z my Boo Hoo
3. boo hoo
to swiftly/perfusely hump.
please boo hoo my ass tonight.
by this is not steve Aug 29, 2005 add a video
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