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!

Siamese Beef Injection by beefinjection September 24, 2010

Ommatoga 

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