Ann Frank it 

to make it appear that no one is home in order to avoid someone; to hide out.

"oh fuck the cops are here"

"yo hit the lights we gotta Ann Frank it."

Ann Frank it by Nelsface February 1, 2009

Ann Frank It 

To get stoned by hot boxing your attic

Friend: Dude, we need to get high without my parents knowing
Me: Let's go to your attic and Ann Frank It

Ann Frank It by UTJoe January 28, 2011

Ann Frank It 

In the military, to Ann Frank it is the act of hiding in your barracks from your superiors, typically to avoid PT.

Kyle: “Hey, they are releasing us to the barracks to change over for PT.”
John: “Fuck PT! I’m going to Ann Frank It in the closet until you guys get back.”

Ann Frank It by FTLWMarine March 6, 2019