Originated from the breeding of Thomas Dawson. The crossing between a Jamaican and someone of Asian. The term is officially used now to refer to splooging on someone's face.
Dude i just jamaized all over your face.

Last night i was jamasian all over Nick Miehl's face for atleast 20 minutes
by Nicholas Miehl January 18, 2009
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An asian person who grew up in jamaica or the carribean.
I'm a fly ass jamasian.

Q. Damn, where yo bitch from?
A. She fuckin jamasian, dawg.
by omoshima May 27, 2003
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1. there's only one true jamasian and his name is doowan

2. lady's man, who? oh.. that jamasian!

3. jamasian, omg. he's so sexy!
by doowan May 30, 2003
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When a jamacan Asian girl gets a facial from a big ole silver horse of a black guy
White guy: yo aaron I heard you banged that jamasian girl
Black guy: yeah blood bet. I gave her a jamasian facial
by Bigolehorsedick September 11, 2016
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A person whose ethnic background is Half Jamaican and Asian.
Kamala Harris is Jamasian. Her Father is Jamaican , and her mother is from India.
by Sorrow4myDeath August 12, 2020
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