1 definition by Simmy Egipciaco

APT stands for an Act of Parental Defiance or somethign that you would do to make your parents very upset and/or extremely pissed possibly to get revenge or make a large statement
such as:

"Hey man can i stay at your place tonight? I totally pulled an APD and was out past curfew, when my mom got pissed she kicked me out"

or

"Man your mom was totally mad, we should pull that APD again sometime"
by Simmy Egipciaco March 26, 2006
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