1 definition by Jenny's Friend!

Top Definition
What you would call your future brother-in-law.

Combination of 'brother' and 'almost'.
"Yeah, he's pretty great. I never guessed I'd like my bromost."
by Jenny's Friend! January 28, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×