You Laugh, You Lose

You Laugh, You Lose, also known simply as YLYL, is one of PewDiePie's segments on YouTube. This segment is basically just PewDiePie doing a Try Not to Laugh Challenge and is one of the longest running segments on his channel. Though it may appear that he has limited health (3 laughs), in actuality he has infinite health because every time he claps his hands more health will appear. Brad will be fired if he does not do this.
PewDiePie also sometimes calls "Skrattar du, forlorar du", which is Swedish for "you laugh, you lose". He also sometimes ends the episode by asking the audience "Did you laugh, or did you lose?" which is comical because if one occurs, the other must also.