Old Horse Fat 

A British colloquialism designating the male sex organ.

Dude, Carol wants some of that double penetration action, so let me know when you and the old horse fat are around.

Old Horse Fat by Jungle VIP April 3, 2009

Old Horse Fat 

A lawyer named Patrick Smith infamously invited one of his friends to bring his "old horse fat" over to have a three-way with his girlfriend. The email was forwarded all over.

Source: http://www.cracked.com/article_16690_p2.html

"Dude, "Carol" (not her real name) wants some of that double penetration action, so let me know when you and the old horse fat are around."

Old Horse Fat by patricksmith January 26, 2009

Old Horse Fat 

British slang for "dick" or "penis," most popularly used in a work email written by an international law firm lawyer Patrick Smith (now fired).

Smith in email: "Dude, 'Carol' (not her real name) wants some of that double penetration action, so let me know when you and the old horse fat are around."

Old Horse Fat by AT Hill February 18, 2009

old horse fat 

Penis in British English

Yo William Carol wants some of that double penetration, so bring that old horse fat and lets do this.

old horse fat by El pene de muerte February 18, 2009