To lower one's pants down to one's ankles, often in a sudden, impulsive manner, thus exposing one's nether regions.
by Stan B. February 04, 2003

by El Toro Grande August 04, 2004

by Chux December 09, 2003

Customer says, "Okay, Joe, it's time to drop trou, bend over and grab your ankles, 'cause here comes the business!
by dherchen October 18, 2007

After the repeated insults from my boss,I made a desperate attempt to salvage my self esteem, I dropped trou on his desk.
by chrisdibilla October 10, 2003

by Thomas James Martin Esquire March 10, 2009

To drop anchor.
by Ho April 01, 2003
