A common product or process, that is available to anyone, but is passed off by the person using it as if it were secret or uncommon.
The owner of the laundry told the customer that he knew an "Ancient Chinese Secret" for getting his customer's clothes so clean, but his wife knew that he used a common detergent that anyone could buy.
by Orlando_Taz March 29, 2013
*finds an secret door and finds a fortune cookie that gives 50+ hp and a funny fortune quote*
Lo Wang: Ancient Chinese Secret!
Lo Wang: Ancient Chinese Secret!
by Yo Guck Fourself February 11, 2019
-In my lair captured-
You: OMFG!! WHAT DO I DO NOW?!!!!!!11111
Me: MWAHAHAHAHA!!! YOU ARE NOW TRAPPED WITH CHINESE DUCT TAPE!!!! *thunder storm* BWAHAHAHAHA!!!
You: Hmm...there must be some way to get out of here... *uses a............thing* YESSSSSSSSSSS
-3 hours later-
Me: WTF HOW DID THEY GET OUT?!
*chinese man pops out from nowhere*
Chinese man: Ancient chinese secret.. *brings scissors*
Me: Fuck.
You: OMFG!! WHAT DO I DO NOW?!!!!!!11111
Me: MWAHAHAHAHA!!! YOU ARE NOW TRAPPED WITH CHINESE DUCT TAPE!!!! *thunder storm* BWAHAHAHAHA!!!
You: Hmm...there must be some way to get out of here... *uses a............thing* YESSSSSSSSSSS
-3 hours later-
Me: WTF HOW DID THEY GET OUT?!
*chinese man pops out from nowhere*
Chinese man: Ancient chinese secret.. *brings scissors*
Me: Fuck.
by Light dragon (Anti-ED person) September 20, 2010