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Adj, N.
Basically means "The Best"
It can apply to any topic, depending on the conversation

Using the word "the" before it is incorrect when it's used as an adjective.
Person 1: "Did you see that move."
Person 2: "That was tammam"

Person 1: "How did you do that? You're good"
Person 2: "I'm not just good, I'm tammam"
by TehGenius August 03, 2006
To be one of the following:
1.) A total hoe.
2.) Related to number 1
<nade> U r a tammam irl
<troy> fux i knwo
by PowerRanger August 01, 2006