A whoopknacker is a penis that is much larger than an average penis. Found usually on curly haired extremely pale white boys.
Wow, my brother has a Whoopknacker.
by Samual Scholtz May 13, 2008

The act of going to the bathroom and leaving the toilet paper roll empty for the next person to deal with
Oh my gosh! Michael whoopknacked me!
by The Kernal2.0 August 29, 2025

The act of using the bathroom and leaving the toilet paper roll empty for the next person to deal with
Oh my gosh! Michael whoopknacked me!
by The Kernal2.0 August 29, 2025
