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(adj.) Much like "rocket science," this term is used to describe any activity which may seem overly intricate to the average Joe Sixpack.
I asked Billy Bob to program the DVR to automatically record WWE every week. He looked at me like I expected him to perform brain surgery.
by fugitive247 November 10, 2004
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Jun 14 Word of the Day
Referring to women who are sexually or romantically attracted to other women. Applies to both lesbians and bisexual women, as it is only the same-sex attraction that matters, not any other attractions the women may have.

Originates from the Greek poet Sappho, a bisexual woman from the Isle of Lesbos, from which we get the term lesbian.
The sapphic women greatly enjoyed each others company.
by whatisdead June 25, 2015
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3
A term for a type of oral sex that lasts at least 2 hours and includes extremely cautious and detailed oral contact. In order to perform or receive Brain Surgery, both parties must be well prepped, fed, and cleaned prior to the act.
"Dude, Josh is still in there getting brain surgery!"
"I know. I wonder if he's gonna make it."
by JARS November 30, 2007
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The act of getting head from a female that is very talented and skillful at her craft.
"Yo son, I chilled with some giraffe lookin' broad last night and got some serious brain surgery"
by Mikey C Notes October 16, 2006
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