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3.
so serious and positive that you are H.I.V. positive
guy 1: dude are you sure we should be doing this?
guy 2: im H.I.V. positive that we should
by b whit March 13, 2008
 
1.
absolutely sure
more acceptable to say if you actually have AIDS

from a South Park episode
"are you sure dude?" "yeah man, I'm HIV positive"
by Orangefizzlebiz March 13, 2008
 
2.
This is a way of determining whether or not your friend is completely and totally sure of themselves when they are explaining something to you. Please see the examples for further explanation.
"Hey Tommy whats going on?"

"Jimmy I've got some bad news... The pigs went through our lockers today and found Adam's crack"

"Tommy.. Are you positive??"

"Yeah!"

"Are you HIV POSITIVE?"

"Yeah!"

"Damn!"
by CHALK111111 June 23, 2013