"Choof" being to vape and "doof" being a dick. When you vape you suck, therefore 'choof choof on the doof doof' is another term for sucking dick.
Friend: bro did you do it with Stephan last night?
Friend 2: nah I just wanted to choof choof on the doof doof
Friend 2: nah I just wanted to choof choof on the doof doof
by zhobo October 16, 2017