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Not Blood Related; Often used to justify a brother-sister relationship. Frequently used in discussion about anime because every anime is actually about hot brother-sister loving.
It's okay, dude - she's NBR so its totally cool.
by CordycepsNG August 13, 2015
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May 1 Word of the Day
When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.
I’m tired I wanna go home

“Oh I didn’t know it was pee pee poo poo hours”
by A7sa July 03, 2019
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2
No Beers Required. Good looking girls that don't need any consumption of alcohol to make them look better. The converse of a Five-Pinter.
That girl is HOT! A definite NBR!
by brooskitooski May 20, 2008
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3
An acronym for “No...but really

Used to inform someone how serious you are about a previously made statement.
Sam Russell: Everyone loves me
Silly person: No that’s not true
Sam Russell: NBR!
by SamuerRusserr December 06, 2010
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4
To receive sexual stimulation by way of handjob
"The may-issue crap is basically no CCW unless you know the sheriff and are NBR'ing him.
by Trlsmn July 24, 2009
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6
I am an employee, and I send an email to my colleagues about sport, so I mark it "NBR" to show it's a non business related email.
by otaview December 06, 2010
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