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4.
hot asian guy from jamaica.
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
 
1.
To be half Jamaican and half Asian.
I'm half Jamaican and half Chinese, Jamasian.
by R June 19, 2006
 
2.
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
 
3.
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