1. The act of putting your finger or fingers into someone's mouth while they are yawning, usually as a means of disrupting their yawn and robbing them of all satisfaction.
2. A vicious game that involves sticking your finger or fingers into people's mouths when they yawn.
The cheesiest move a guy can ever do. ever. You yawn, and lift up your arms in a streching move, then put your arm over her shoulder. One of the hardest moves to pull off.
I saw a guy do the Yawn-And-Put-The-Arm-Over-The-Shoulder Manouver in france next to the eiffel tower before, and I wanted to go and shake his hand. But I didn't want to ruin the moment.
A person who starts the contagioushuman condition called yawning. A small feeling of power ensues, much like that of a pimp, because you made other people yawn around you.
Bro 1: "I got four other people to yawn after me in Calc!"
Bro 2: "Dude, you be one major yawn pimp"