A fork of Rural Dictionary
A fold or bit of blanket forming a "fin" shape
Snuggle Partner #1 "Is that shark in our bed?!" Snuggle Partner #2 "No, it's just a blanket fin." Snuggle Partner #1 "Wheww! Close one..."
The fin created on one side of your hair/head when you vomit (boot) from drinking too much and then sleep in a pool of it. The fin formation is the result of it drying and creating the ultimate hair spiker.
Man, look at Tim—he's going to have a boot fin in the morning. Is that hair mousse or a boot fin? Yesterday I woke up with a boot fin and couldn't remember how I got it.
Fin again
"Barbie bin net!" "Fin again barbie bin net!!"