Brother tax

When a sibbling pays their brother to clam them as a sibbling and /or putting up with them for years
by Mr knows everything 1976 July 7, 2017
mugGet the Brother taxmug.

older brother tax

A tax which the present oldest male sibling gets complete rule over all other siblings
by Ryan Sandstede April 5, 2019
mugGet the older brother taxmug.

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