2 definition by Coob91

Top Definition
A younger sibling who is extremely annoying and constantly bothers you over ridiculous things and is extremely sensitive to any insult towards them. If you do anything "mean" to them they will tell a parent immediately.
Older sibling: You're a poopy head.
Younger sibling: JACOB STOP I'M NOT A POOPY HEAD!
Older sibling: shut up Meemoo Maamoo.
by Coob91 February 04, 2021

Mug icon
Buy a Meemoo Maamoo mug!
I younger sibling who is extremely annoying and constantly bothers you over ridiculous things and is extremely sensitive to any insult towards them. If you do anything "mean" to them they will tell a parent immediately.
Older sibling: You're a poopy head.
Younger sibling: JACOB STOP I'M NOT A POOPY HEAD!
Older sibling: shut up Meemoo Maamoo.
by Coob91 February 04, 2021

Mug icon
Buy a Meemoo Maamoo mug!