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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A greasy man with a white trash personality who vapes 24/7. Can be used at a noun, verb, adjective, or anything in between to describe the vaping process.
Look at the Chache over there blowing those huge clouds. I wish I could chache like that.
by theoriginalchache February 23, 2017
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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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Your pisan, neega, buddy, amigo, hermano...
by arnold November 20, 2003
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Her skirt was so short, I almost saw her chach.
by Archegonia September 27, 2013
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A douche bag who spends too much time in the tanning bed and looking at himself in the mirror. If he attends a party his collar will be popped and his hair will be gelled way too much. He'll also think everyone in the room, including guys, want to get in his pants.
Look at that fuckin chach challenging everyone at the party to wrestle.
by WP Evert November 24, 2008
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