While playing the sport lacrosse, the act of having your stick hit out of your hands, which triggers every player on the field's yelling out "Yardsale!". It is called this because it is lying on the grass as if you were trying to sell it on your lawn.
In contact sports when a player is hit, checked or tackled by an opponent so hard the equipment from the player being hit fall off the player and spread all over the playing surface. Make the playing surface look like the front yard at a Garage or yard sale covered in used sporting equipment. The opposition will then yell "Yardsale" to complete the act.
When an individual consumes an excessive amount of alcohol and manages to misplace all and/or a portion of their belongings such as a wallet or cell phone. The void of these particular items is generally discovered the following morning and the items are rarely recovered.
Dude: Sup bra, did you kick it with Dominiquelast night?
Bro: Yea, he was faced and yardsaled his shit. I called his cell this morning and some random dudebro answered.
Dude: Damn, shitty.
to be a complete and utter drunk naked pig; forget shit and fuck random chicks that you probably shouldn't fuck. To lose shit or misplace things. To kiss another guy to convince him your gay so you can beat him up. To jerk off with 3 dudes in your room.
Hey dude you were a fuckin yardsale last night I cant believe you took off all your clothes and jerked off in front of everybody.