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2.
Verb. From the words cerebral and masturbate. def. To engage in self-absorbed conversation, normally rhetorical and rarely clever, that is strictly for the pleasure of the speaker.
"Dude, why do you constantly cerebrate? Just get to the phuckin point!"
by rtw1313 July 26, 2007
 
1.
To think
Cerebellum
by Larstait November 07, 2003
 
3.
1) To think about deeply

2) A Chinese celebration
Won Hung Low cerebrated about how to cerebrate his birthday.
by JB October 06, 2005