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1. youboob
n. Someone who wastes all their time looking up TV/music related crap from their childhood on youtube & won't shut up about it.
mr x: guess what!?! I just found a grainy 2 minute clip of Zoltar battling Sleestak!

mr y: u r such a youboob!
2. Youboob
The rare sighting of nudity in youtube videos.
Dude! I watched a documentary on Queen and one scene had a couple seconds of youboobs!!!
3. youboob
the popular adult web site youboob.it
i came upon youboob this morning
4. youboob
someone who spends hours at a time searching for nudity on youtube.
dude, i was so high last night, i just ended up youboob-ing until like 4 am!
5. youboob
A person who posts idiotic comments on youtube videos.
Nearly all of the comments I see are posted by mindless youboobs.
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