Being so in need of a pounding from a guy/girl/tranny/inanimate object that you become dry and barren with lots of tumbleweed in your vagina.
Katy - "I'm SO arid right now"
Ash - "What does that mean Katy?"
Katy - "It means I need a pizza and a pounding immediately"
Synonym for dry. When somebody says a really dead dry joke where nobody laughs.
Can also be used when someone tries to par unsuccessfully.
Derives from a geographic word for dry land.
You need some E45 for those Arid insults