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1.
The raised ridge of bone down the midline of the skull in some individuals, usually linked with narcissism, obsession with writing shitty poetry, and being fucktarded enough to think that an English major is worth half a shit.
Chelsea has a very pronounced
Sagittal Crest , no wonder she's a dumb bitch.
by dicksdicksdicksdicks January 20, 2009
 
2.
The raised ridge of bone down the midline of the skull in some individuals, usually linked with higher brain function, intelligence, and attractiveness within the individual.
"Chelsea has a very pronounced sagittal crest, that sure explains a lot."
by latzraff January 13, 2009