Leenut
A little peanut. Can be used as a nickname for younger siblings who rock your world. Those called Leenut are generally extremely intelligent, admirable and gifted at the sport of tennis. If you have a Leenut, keep it safe and it will make you the happiest person for days to come. Watching a Leenut grow is amazing.
Can you believe my Leenut beat the number one seed today 6-0, 6-0? That's one good Leenut.