Top definition
n
1) An expensive expansion

2) an exorbitant cost for an extension or expansion

3) Adding to a collection at an extreme cost
"Bob and Carol just added an expension to their home."

"That last book was quite an expension to my collection."
by zber August 28, 2009
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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