"Checking in" on facebook from your smart phone. It "drops a pin" on the timeline map, showing where you are. Some people try to "drop as many pins" as possible over the weekend, so others think they have a really active social life.
Maria: I can't wait to go on vacation to New Orleans next week.
Tammy: Me neither! I'll be droppin pins all over the Gulf shore!
Tammy: Me neither! I'll be droppin pins all over the Gulf shore!
by Vitamin Tee May 30, 2012