The hiff, or HIV as it is more commonly known. Actually pronounced 'hiff', it is a more social way of describing a lesser illness such as cold/flu/virus/chest infection and even hangovers.
Jake: Leah, you look like shit dude.
Leah: Yeah man, too much Soco ... I've got the hiff.
Jake: gutted dude.
Leah: Yeah man, too much Soco ... I've got the hiff.
Jake: gutted dude.
by SilasGrave April 24, 2008
Get the The hiffmug.