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An abbreviated form of "definitely complimentary."

1.It can be used to affirm a questionable compliment between people

2. or it can be used to justify taking things for free.
1) "dude, your art is the shit"
"i hope thats a compliment"
"def comp"

2) "are these beers complimentary?"
"def comp boys, i dont see no sign that say otherwise"
by beenhere4yrs April 17, 2009
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