To masturbate with, and spooge into a top sirloin which is then cooked and served to your dinner guests.
"I made Sally a dish of Beef Strokin' Off for our one-year anniversary, which she claimed was too salty."
by Chief Vegas August 16, 2008
To stroke ones beef with a fearsome hunger.
Beef strokinoff as used in a typical dialogue between an adolescent boy and his clueless mother. Mom- "Tommy can you come join the family for dinner?" Tommy-"I'd rather not mommy I'm having quite a delightful feast of beefstrokinoff at the moment "
by Chrisbycreme25 October 01, 2015