Top definition
A ad used to inform or advertise a website that, suposebly helps you like the sidebar "Are You Dumb" ads or "See Your Real Age".
Examples of Clinical Ad:

"Miley Cyrus's I.Q. Is 139 Can You Beat It?"
"Dianna is 57, Her realage is 45, see your realage."
by Word Mastah February 14, 2009
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