wiz Khalifa has teamed up with Mustard on a new single called “Bammer” wiz Khalifa took to Twitter read Drops Monday #Bammer along with a captured video of him listening to his song. “Bammer” is also giving us a spring and summer vibe that we can ride or relax to. This drop follows his seven track mixtape It’s Only Weed Bro. Make sure you check out the single below