When you die your hair green and it looks like ugli rotten seaweed. If you wear green clothes then you can become a seaweed person.
A derogatory word used for a person (generally a fuckin' faggot pussyshit) with badly gelled, shortish, curly hair that makes the onlooker question whether or not they may have seaweed weaved into their hair.
"That dude over by those lunch tables is a seaweed head. You can't miss him."
"That dude sitting in my favorite lunch seat has seaweed hair."
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Is a person with big curly hair, usually out of control and pertaining more than just one color.
" I hate sitting behind her. I cannot see the board past her big seaweed afro head."
" Let's just hide the blunt in her seaweed afro head. They would never be able to find it."
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