lactomongulate 

To destroy the open half of the milk carton so badly that you are forced to use the ILLEGAL side.

I was so thirsty and trying to get into my drink that i fucked up the side saying "Open Here" . I was forced to lactomongulate the illegal side!

lactomongulate by Bradis February 20, 2008

lactomangulator 

One who opens a milk carton from the wrong side and tears up the entire top.

The lactomangulator left the scene of the crime with his straw sticking out of the top of the carton.

lactomangulator by Rutager December 30, 2005

Lactomangulation

Manhandling the "open here" spout on a milk container so badly that one has to resort to the 'illegal' side.

After lactomangulating the milk carton, I switched to the other side and cut the top off.

Lactomangulation by Miss Spunky August 20, 2003

lactomangulation

when you are trying to open up a carton of milk and it is so difficult that you either shred it or have to resort to the "illegal" side

oh man, you sure lactomangulated that carton of milk!

lactomangulation by Nick McQ August 14, 2003

Lactoemangulate 

To open a milk carton from the wrong side.

Dude! There was something sticky on the "open" side of my milk carton so I had to lactoemangulate.......

Lactoemangulate by LtotheWtotheSSSSSSSSSSSS July 24, 2011

Lactomangulation

The act of making a mess of opening a cardboard milk carton, forcing you to use scissors to cut the innappropriate corner.

Bloke 1- "So, how was your day?"
Bloke 2- "Terrible. Plagued by lactomangulation, and my dog died."

Lactomangulation by Mr Ned September 27, 2005