adj. unshakeable, unbeatable, unstoppable. Etymological Note: English un– 'not' + Dholuo bwogo 'to scare' + English —able 'capable.'
Example:
The word was popularized by the song “Who Can Bwogo Me?” also known as “Unbwogable,” from the Kenyan musical group Gidi Gid Maji Maji.
Source: https://www.waywordradio.org/unbwogable/
