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8.
adjective used to describe something or someone with class; classy
Jim: Dude, did you see Bruce in that top hat?

James: Yeah, man. He was lookin' real bach.
by borntobustass November 07, 2010
 
9.
A word used by New Zealanders (or 'Kiwis') to describe a holiday or second home. Normally bach is reserved for holiday homes at the beach or near water, but can also be used for homes which are near other recreational things too.
"I'm going to stay with my mate at his bach in Whangamata!"

"The bach we are staying at is quite small, but it's only a few k's from the mountain."
by Ashley "WebAsh" Steel January 15, 2006
 
10.
Short for Maybach, an expensive luxury sedan made by Mercedes-Benz. It is comparable to a Rolls-Royce Phantom.
Your boy back in the building, Brooklyn we back on the map
Me and my beautiful beeeeeeeitch in the back of that 'Bach.

-Jay-Z, Dirt Off Your Shoulder
by John February 28, 2005
 
11.
a very unattractive female; a way to pretend to throw up
"Look at that bach over there."

or

(Ugly girl walks by)
"BACH!!!"
by Kevon T November 06, 2008
 
12.
da best word ever made by shmitty
bach is such a cool word
by josh choi February 20, 2005
 
13.
Dirty guy, he had more than 30 kids. Imagine the time he spent doing his wife.
30 examples. Look them up urself
by Wilfred March 18, 2005