Just like her I tell her sometimes I'm a bonobo
Sometimes I'm an oranguatuan, mang

from Das Racist – (Ass Balls Face) Outer Space Lyrics on Rap Genius

Meaning

Amongst the great apes, the bonobo is known for it’s high frequency (and variety) of sexual activity. The orangutan, in contrast, is a much more solitary creature.

http://en.wikipedia.org/wiki/Bonobo#Social_behavior

http://en.wikipedia.org/wiki/Orangutan#Social_life

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