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4.
HUGE FAT PERSON!!!! used as a nickname for somone fat.
What's up Tundra!

Hey Tundra!
by Me myself and I him October 11, 2007
 
1.
A treeless area between the icecap and the tree line of Arctic regions, having a permanently frozen subsoil and supporting low-growing vegetation such as lichens, mosses, and stunted shrubs.
peter: "look bill its tom"
bill: "what the heck..whats he doin on that tundra!!?"
peter: "i...i...dont know?"
by michael chi November 30, 2005
 
2.
Perma-stoned. When you are always high.
Dude I smoked a lot of dank week I'm tundra.
by Nayyyte July 31, 2009
 
3.
Someone thats icy cold and bi polar
I know a girl named mindy, ya shes a tundra
by Bob sagget February 14, 2012
 
5.
another word for cool, awesome, or sweet. used when describing something bordering on orgasmic. the new "da bomb"
"oh my gawd, did you see John's new shoes?"
"I know! They are soo tundra"
by r money July 21, 2006