To engage in sexual intercorse with someone. wether it be male or female.
"Tom gave Linda one mean taste of the Hot Beef Injection."
by Tom March 5, 2004
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The act of fornication with Siamese twins conjoined at the vagina.
Dude I totally gave those bitches a Siamese Beef Injection last night!
by beefinjection September 23, 2010
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A metaphor for ejaculation into the pussy, ass, or mouth. The cock is the "needle" and the cum is the serum. The cock penetrates and "injects" cum like a needle injects serum into the body after piercing the skin.

An expression of the desire to fuck or be sucked off and then cum inside the fuck partner.
She'll know you're a man after you give her your hot beef injection!! (heard at summer camp).

Open your mouth so I can give you my hot beef injection.
by Athanjay Ouillquay April 16, 2010
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The process of ejeculating inside someone.
Wanda is gonna have a youngster because Pat down da road gave her da ol' salt beef injection
by Arn2000 August 30, 2018
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me inserting my penis into my lady friend, wherever she desires it (nose, mouth, ear, etc.)
"Hey, Raquel u need a hot beef injection"

"Ok, how about u come over tonight, I really need it hard in the ear"
by 11yearsoldandtencentimeters August 1, 2009
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When someone takes a hamburger patty fresh off the bbq and slowly and gently insert into the mouth......
by thebreakefatclub June 7, 2011
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A hot dog. This reference comes from the Simpsons.

This word can be used in place of "hot dog" or "weiner" or "sausage" at any time or place.
From from the Simpsons:

Doctor: (Eating a hot dog) Delicious!

Homer: I've got the presciption for you, Doctor... another hot beef injection! (Hands him a hot dog)
by David Grant August 18, 2004
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