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When a man ejaculates while only having a semi, usually caused by rubbing the penis on the trousers accidentally.

Also caused by being so sexuallly excited, you don't need a boner.
Jennifer: "What the hell is that stain?"

Steven: "Sorry, I premi'd a moment ago"
by Ozzy1993 July 31, 2009
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A re-definition of the word "Premises" meaning a single building.

The origin of the new word is almost certainly the Essex & Thames Police (UK)to define a "Single Building" instead of a "Group of Buildings".

It should be noted that "Premises" is the Legal Definition of Single or Multiple Buildings since well before the year 1730.
Tonight was carry out a raid on this premis.

We found a significant amount of stolen goods in this premis tonight.
by Felix on wheels September 14, 2008
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