Contraction of 'Are you taking the piss?' and 'Are you pulling my leg?'.

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.
by youngupstart September 04, 2010
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chewing someone out; severe reprimand; the act of verbally punishing someone for a misdeed.
Because I did not finish the project on time, my boss spent half of the morning pissing down my leg.
by YONEIGHBOR November 11, 2009
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Disbelieving response to an attempt to mislead, equivalent to: "pull the wool over my eyes"
You tell me that you've worked as an airline pilot and a surgeon, too? Go on ... you'd piss on my leg, and tell me it's raining.
by ursamel June 24, 2007
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Don't hurt me and then pretend like you had nothing to do with it.
You argued, privately, to each member of the committee that I should be fired and now you come by on my last day to tell me how sorry you are about what "happened." Don't piss on my leg and tell me it's raining.
by wouldaben January 13, 2011
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Origin: Ireland. Contraction of "taking the piss off someone" and "pulling the leg".

The first occurrences of the phrases were reported from the early 2010's in Cork, Ireland.

Firstly an involuntary mix between the two aforementioned expressions, it quickly became popular.
-Do you know that they will close the dress shop you like and will open a DYI one instead?

-Stop pissing my leg! It can't be true!
by françois adélaïde January 14, 2011
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