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1.
A kid usually between the ages of 10-13 that is seriously annoying or clueless/oblivious to almost everything. A Baby Binker will try to act extremely older than they actually are.
13 y.o girl: I think it's about time I settle down into a serious relationship don't you think?
Older Sister: Absolutely not, you're a total Baby Binker!
by Tyty Shaw ; L.A.T August 26, 2012