Shanana Pants
A shananagan that comes from your pants- such as gas, wet gas, popin' up penis', wet vaginas, and other things located somewhere down there...
Kid:***FFFFAAAAARRRRRTTTT**
Bus Driver: I dun want no mo shananagins comin from yo pants, ya here?
Bus Driver: I dun want no mo shananagins comin from yo pants, ya here?