The act of trying to pair up with someone quickly at the end of a bar / club night, especially when drunk. Kind of like sexual musical chairs. Also known as a 1:59er.
Kelley: What happened to Camilla last night? I thought she was going with us to the Waffle House?
Jamison: Nah, she got picked up in the 2 o'clock scramble by that guy she was dancing with all night.
Kelley: Eeew! The balding one?
Jamison: Yep! I bet she won't be happy when she wakes up next to him!!!!