1. A phrase of inquiry when trying to determine if:
a) something is not entirely factual;
b) something has been exaggerated;
c) sarcasm was present in a statement; or
d) you have been teased or mocked.
2. An exclamation of disbelief.
Are you pissing on my leg?
Don't you dare piss on my leg, you've pissed on my leg before.