Efflorescence 

Efflorescence is the formation of crusty, white salt deposits, leached from mortar or masonry as water passes through it.

The efflorescence was a clear sign that my foundation had water.

Efflorescence by Paul Thornton November 29, 2007

effrovescent 

Lively, sparkling.

Her effrovescent personality made me want to puke.

effrovescent by whenithappens17 February 12, 2009