OG Kush Breath Strain. OG Kush Breath (or OGKB for short) is an indica-heavy hybrid with a full-bodied aroma. This strain, is deeply relaxing and best saved for a lazy, kicked-back smoke session. OGKB is relatively new to the weed scene, though it’s been making its rounds around the west coast for quite some time now. This powerful indica-dominant hybrid strain makes for ultra-soothing nighttime medicine and offers some of the most unique flavors you can find in a cannabis strain. Growing OG Kush Breath Marijuana Has Medical Benefits.