look up any word, like bukkake:
 
1.
the word " cum of duty " is a slang term used to back up the well known fact that :" your a chronic masterbater if u play Call Of Duty online"
- " ohh dude i was playing cum of duty last night and forgot to clean up "

- "i put a poster of jessica alba above my t.v while im playing cum of duty"

by stephen seibicz February 08, 2008