Fat Banana is a modern, hybrid-indica strain with origins that remain undocumented. While the lineage is often associated with OG Kush, breeders have not publicly confirmed the complete genetic cross, and its specific history remains a matter of speculation. As a modern hybrid, it is not a landrace or heirloom variety, but rather a product of contemporary cultivation techniques developed by unknown sources.

The aromatic profile of Fat Banana tends to be defined by a specific hierarchy of terpenes, led by limonene, followed by caryophyllene, linalool, myrcene, bisabolol, beta-pinene, humulene, pinene, and terpinolene. This complex composition is likely to produce a distinct sensory experience, though individual aromatic nuances remain subject to variation. Its cannabinoid content is an estimated 15.6% THC, with an estimated 0% CBD and an estimated 0.34% CBG, reflecting a profile that is THC-dominant without significant secondary cannabinoid concentrations.

Consumers report that Fat Banana produces effects characterized by relaxation and focus. These traits make it a potential option for managing pain, stress, and sleep, though individual responses vary. In the grow room, the plant is of moderate difficulty to cultivate in both indoor and outdoor environments. It features a flowering period of 53 days and offers a high yield potential for those who manage its development effectively. There are currently no recorded notable offspring for this strain.