To have the drop on someone 

This is when you have the location or address on where someone lives or where there currently are at, usually used when talking about a enemy or opp.

This phrase/term originates in atlanta and comes from when a iphone user “drops their location”.

I got the drop on a opp we finna spin.

Bruh flexing his money on ig but he look sweet and i got the drop so we made him a lick.

to have the drop on someone

To have the drop on someone by bombfirst93 June 1, 2020

to get (or have) the drop on someone 

to get (or have) an advantage on or over him/her/them.

to get (or have) the drop on someone by Mr. Terrence L. Trezvant October 5, 2003