Definitions by beefinjection

Siamese Beef Injection

The act of fornication with Siamese twins conjoined at the vagina.

Dude I totally gave those bitches a Siamese Beef Injection last night!

The act of punching ones self in the dick during masturbation directly before climaxing.

Man my peen totally hurts, I shouldn't have given myself an Ommatoga last night.

Ommatoga by beefinjection September 24, 2010