Beanie baby brat

(Noun) bean·ie ba·by brat

/ˈbēnē/ /ˈbābē/ /brat/
1. A derogatory term for when you're younger sibling is being an absolute twat waffle.

2. When a younger sibling doesn't understand the hierarchy. (IE: Someone who is unable to comprehend thr birth rights of the much older and wiser sibling)

3.Gavyn with a Y instead of an I

"Wow Gavyn is being a beanie baby brat."