Bathroom Bluff

The act of a dude walking up to a urinal and before he starts peeing someone goes to the urinal next to him and without even taking a leak you Zip up, wash your hands and leave the restroom all while still having to wizz.

"Hey dude ,can you pull over I gotta take a leak?"

"I thought you went at the airport?"
"Nah, I bathroom bluffed when this huge buff guy walked up beside me to take a leak."