A fork of Rural Dictionary
To lower one's pants down to one's ankles, often in a sudden, impulsive manner, thus exposing one's nether regions.
We all dropped trou and mooned the old lady.
Lowering one's pantaloons, to taunt another.
It's time to drop trou and kiss ass.
When a sales representative drastically lowers terms of a sale in order to "get the business".
Customer says, "Okay, Joe, it's time to drop trou, bend over and grab your ankles, 'cause here comes the business!