if'n

Conjunction

Southern-US dialectal in Britain

(chiefly Southern US, Midland US, and some dialects in Britain) If.

Japanese Meaning

もし / もしも / 仮に

If'n you ever come down South, promise me you'll stop by Mama's and try her fried chicken.

もし南部に来ることがあれば、母さんの家に立ち寄って彼女のフライドチキンをぜひ試してみてください。

Sense（1）

(chiefly Southern US, Midland US, and some dialects in Britain) If.

We'll I'm try'n to cooperate and let you know where I'll be if n you need me!