Bettah do your homework bumbai you no graduate.
From "By and By" to "Bumbai"
1. The Origin:
"Bumbai" is a classic plantation-era contraction of the English phrase "By and by," which means "eventually" or "in the future." Over time, the Pidgin accent smoothed it into the single word: Bumbai.
2. The Two Meanings (Later vs. Threat):
You must listen to the context, because the meaning changes completely:
3. Global Disambiguation (Filipino/Indian):
Do not confuse this with the Filipino slang term Bumbay, which refers to people of Indian descent (derived from the city "Bombay"). In Hawaii Pidgin, "Bumbai" is strictly about time and consequences, not people!

Eh, you know dat new kid, Kala, in our class? He stay one kolohe buggah, eh. Always gettin' into trouble, neva listenin' to da kumu.
One day, Miss Akina tell him, "Kala, you betta straighten up, bumbai you goin' end up in detention again!"
Kala jus' roll his eyes, "Aisus, Miss Akina. I no need detention. I smart 'nuff fo' pass wit'out tryin'."
Miss Akina shake her head, "Dass wat you tink, eh? But bumbai you start payin' attention and doin' yo' work, you goin' fail dis class fo' sure."
Kala jus' smirk and turn back to his friends, whisperin' and laughin'. He tink he too cool fo' school, yeah?
Come test time, Kala stay lookin' all lost. He fidget in his seat, bite his nails, sweat pourin' down his face. Da odda kids stay focused, writin' dea answers, but Kala, he jus' stare at da paper like it stay written in one foreign language.
When da bell ring, he hand in his test wit' one shaky hand. Miss Akina look at 'em, den look at Kala.
"Kala," she say, slow and steady, "I told you, bumbai you learn! You no study, you goin' fail. And look at dis... you wen' bomb da test!"
Kala's face turn red, den white. He neva feel so shame befo'. He realize Miss Akina been right all along. Bumbai he change his ways, he goin' be in deep kimchi.
From dat day on, Kala start fo' pay attention in class, do his homework, even ask fo' help when he need 'em. He still one kolohe kid at heart, but he learn one valuable lesson: bumbai you put in da effort, you no goin' get da results you want.