The expression means I am being honest.
john:I just saw Barbra Bush running naked on T.V
Lou: No fucking way
John: I shit you not
by B-dub (refers to my age) November 17, 2005
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Josh: Did you know that Bernard proposed to Kayla?
James: No way, they only met a week ago.
Josh: I shit you not, they're engaged!
by vejtics May 04, 2019
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When some one tells the truth about something usually unbeleivable.
guy 1 - i just laid your mom

guy 2 - wtf!! seriously?

guy 1 - i shit you not my friend...
by Zael Yagami April 29, 2009
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