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2.
When someone continuously attempts to make a chat, but fails miserably and sends the chat to the cave or to death basically.
Omfg that noob is such a caver!

He is always sending our chats to the cave, what a caver!
by Mexicant4life March 17, 2006
 
1.
One who caves or gives in too easily. Doesn't put up a stand/ a fight for what they want to do or believe is true. Surrenders to the will of someone else.
Martin is such a caver. He wanted to go see this other band really bad but we didn't so he caved and came with us.
by Deuc May 24, 2010