Broken English. Commonly known to have been originated from (but not limited to) the island of Jamaica.
Originated way back in the day and is a mixture of a whole bunch of different languages; mainly of English, Spanish; some French and West African influences.
Sounds really awesome when flirting with the opposite sex of a foreign land and can also be known to scare and/or be comedic when speaking with extra enunciation and heightened volume while throwing a Patois Curse word as well.
Some famous people associated with speaking really cool Patois are comedian Oliver Samuels; Reggae Legend Bob Marley; Historic Leader Marcus Garvey and the guys from the motion picture 'Cool Runnings'.
The girl walked into the bar right off the beach and began speaking patois to Dave and he started blushing.
Patois - "Mi seh dem deh ova desuh feevor sour puss wid dem feeace so scrunch up like; cho' dem too bad mine and red yyeeye"
English Layman's Terms - "Those people over there have such a sour attitude like a sour puss; ugh' they're haters and envious; with their bitchassness."
Patois - "Light up di ganja! Just cool nuh starr and vibes out to di tunes dem wa de a play; tek in di ohshon breeze an enjoy di oxtail and yam nuh mon."
English Layman's Terms - "Light up the weed! Just relax Bro and zone out to the music that's playing! Take in the ocean breeze and enjoy the caribbean food man."