What is Brainbo?
1.
A very intellectual woman, who acts very stupidly, either accidently or on purpose.
Jim: Im sorry to have to say this, dude but your sis, despite her big IQ and getting all those degrees at uni, couldnt remember to lock the door to her house today. She then proceeded to get blind drunk on bourbon and tripped over my cat on the stairs. Man, shes such a BRAINBO!
Jack: youre so right...
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