Alternative form of if my aunt had balls, she'd be my uncle

Of or characteristic of brothers.

In the manner of a brother, as a brother, as brothers.

The state of being brothers or a brother (also figuratively). / An association or people for any purpose, such as a society of monks; a fraternity.

plural of brotherhood

Synonym of agape / A kindly and lenient attitude towards others.

the characteristic of being brotherly

(vulgar) Motherfucker (generic term of abuse). / (literally, vulgar) One who engages in incestuous sex with their brother. / (vulgar) A homosexual man.

plural of brotherfucker

Without a brother.