to use ones penis to have sexual intercourse.
i'm gonna slip her a red hot beef injection!
by fashanu April 23, 2003
Injection of your beef...(penis)
I'd say your mom is in need of a good beef injection
by Pimp Dadday July 01, 2003
A term used to describe intercourse, in which the mans "beef" is "injected" into said person's orifice.
A beef injection a day keeps the doctor away!
by [leah] November 30, 2007