poppin tags 

(1) to steal clothing.
(2) to literally pop tags/sensors off clothing.

We leavin' the stores with heavy bags cause we poppin' tags.

poppin tags by The Winner. February 19, 2004

poppin tags 

to buy clothing in abundance

we was poppin tags at the mall

poppin tags by Jay Wood August 10, 2003

poppin' tags

Stealing, as in the example below by Twister...

Rollin like a nigga that just came up on a mill'
and I got 'em sweepin and pickin up tags off the flo'

poppin' tags by s. neckar May 1, 2003

poppin' tags

Stealing!

In case the Twister example wasn't compelling enough, here's another reference from the eponymous Jay-Z cut...quoth Big Boi about midway through the 4th verse:
"Like the pilgrims when they popped a tag on the indians home."

poppin' tags by s. neckar May 5, 2003

poppin' tags

buying shit...poppin' the tags off of merchandise.

Jay-Z be poppin' tags, leavin' tha mall with heavy bags.

poppin' tags by Nick D February 18, 2003

poppin' tags

to buy new clothes; the act of purchasing something new

I just got paid; time to go poppin' tags.

poppin' tags by taylorhb October 18, 2006

Poppin' tags

Stealing. Popping off tags of higher price merchandise and switching for clearance or lower price tags. Thus the references to heavy bags, because the items are actually purchased and bagged at the lower prices. Possibly also removing sensor or ink tags when shoplifting.

Macklemore and Ryan Lewis in Thrift Shop say "I'm gonna pop some tags, only got $20 in my pocket. I'm huntin', lookin' for a comma (4 digit prices)...." "Manuel, he's poppin' tags."

Poppin' tags by winsome January 11, 2013