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1.
Pronouced "Dock"
An engine that has two cams placed over the cylinder head. Usually one cam will open exhaust ports, the other does intake. Most of the time provides a performance gain.
Yea its got the 2.0L DOHC in it.
by Nobis July 29, 2003
 
2.
duel over head cams
damn dohc that is sick
by will July 01, 2003
 
3.
Abbreviation for Dump On Her Chest
created by Andii and used after finding out your friend has a girlfriend, thus asking him DOHC.
Andii: "Oh so you're going out with Lucy?"
Friend: "Yea about 2 weeks."
Andii: "Did you DOHC yet?"
Friend: "Sadly, no..."
by Andii Dunks January 05, 2009
 
4.
Dual Over Head Cock is DOHC
Along with my vtak i got DOHC, johnny ricer said.
by marques houston December 04, 2007
 
5.
Good, better than sohc.
That girl is DOHC. She is very hot.
by Import revolution May 27, 2005