Top Definition
1. A female/whale hybrid type species.
2. A very large whale.
3. A person associated with the name Jamie.
4. JAMMUU r0x0r$ Uz0rs.
Look at that fucking jammuu its fucking gay.
If you were a jammuu ide slap u.
Jammuus are gay like sams are.
WTF??!?! ahh its a jammuu lets eat it.
by JAMMUU February 20, 2003
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