Jin~

Any pink coloured ice cream like strawberry.

Jungkook~ 

'Kookies' and Cream.

V~ 

Bubblegum. Just because.

Jimin~ 

Chocolate because of his chocolate abs.

Suga~ 

A simple vanilla because Suga lives a simple life with swag.

Rap Monster~ 

Mint chocolate chip, a leader leading his chocolate chips.

J-Hope~

Rainbow birthday cake, it's colourful like J-Hope.