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!
by beefinjection September 24, 2010
mugGet the Siamese Beef Injectionmug.

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.
by beefinjection September 24, 2010
mugGet the Ommatogamug.