noun: a man trying too hard to appeal to the opposite sex by means of too much calogne, too many accessories, excessive hair styling, or overpriced clothes (eg-$90 t-shirts), yet tries to maintain his masculinity by calling girls sluts and talking much louder than those around him.

see also: tchotch
girl: "That chach called me a whore after I scoffed at his pronouncement that he would do things to my I've only dreamed of."
by illiana July 17, 2006
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A chach is someone who has been a douche enough times to be considered something more irritating. So, being a chach is definitely worse than being a douche.
Every time we go out with that guy, he ends up hitting on my girlfriend. He's definitely a douche bag with chach tendencies.
by Ed November 1, 2004
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To be chached.

To have disaster befall one, especially pertaining to electronics and technical systems.

To be left wondering what is happening.

To be given incorrect information.
"I got home yesterday and the TV was hanging off the wall and pouring smoke. I got chached!"

"Make sure you get it done; don't chach me again!"

"What do you mean the price is twice what I thought? Don't tell me I got chached again?"
by mossoi April 30, 2010
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Pronounced: Chaw-ch
A lifestyle of fake tans, over-priced, name-brand merchandise, big, eccentric hair (usually blonde), usually uses large amounts of makeup, tends to be very well groomed and keeps up with all the lastest trends.
A chach typically walks around like they own the place and are very obnoxious.
Non-chach's talk badly and gossip about chach's.
"well, somebody spends too much time looking in the mirror. What a chach."
by laura_spandex November 25, 2006
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Her skirt was so short, I almost saw her chach.
by Archegonia September 27, 2013
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