"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.
Jealous. Arose from an accusation of a person who walked into a nice house, became jealous of the homeowners, and then secretly began dropping oil on the carpet and ruining it, leaving the owners to wonder where the mysterious oil spots came from.
1. Adjective: She and I both used to be cool, but she's been droppin' oil ever since she was fired from the warehouse.
2. Verb: He started droppin' oil after finding out his best friend is dating his ex.
To throw down; to drop knowledge/bombs/etc; to lay down the god damn sauce; to reveal information; or to make rapid advancements upon previously unknown prey.
Emmett: Yo, bro, I was fuckin' droppin' hammers last night!!
Me: What'd you do?
Emmett: I told this girl, she should be suckin' my dick, and then SHE WAS!
Mac: Yo, so I told this bitch what was up.
Alex: Fuckin' DROPPIN' HAMMERS.
To be livin' large, and excessively so. Often times used in collaboration with "make it rain," "spendin dollas," and "stunna shades." Mostly colloquial use, but gaining steam in the Northeast, almost becoming a common term.
Kid 1: Daaaamn look at that kid lookin' fly in them jorts with the stunna shades on and radio bumpin.
Kid 2: Gadzooks! I ain't neva seen somebody droppin waffles like him.