Scuba Muffin

When someone says "Scuba Muffin!" it's a phrase to high-five to! This term Is also known as (a) "Muff Diver".

1: "Scuba muffin... Scuba muffin..... *looks up* muff diver!!

*High-fives*

2: "DUDE!!!! You're such a Scuba Muffin! *high-five*"