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2.
word used when things are awkward,usely used when an unexpected rash breaks out, or commonly used with realli annoying guys named taz,or a noise mad when the act of clearing the throat takes place, or when silence needs to be broken.or when the blender breaks and u open your closet to get a towl but all u find is a big moldy sack of poo.
derrick:oh no!! my blender broke sally!!

sally:ill get a towel!!ehem, all there is is a big moldy sack of poo derrick
by penna and piss July 14, 2008
 
1.
an expression used when you try to clearly explain something in a manner and bring your confidence up when actually you're feeling down.
ehem , i didn't mean to hurt you. :)
ehem, it's for you.
by entertherabbit June 01, 2005