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1.
metcalfing-both a state of mind and an attitude. Those who "metcalfe" commonly reside in dark corners and speak only through insult. These people have been known to cause severe damage to the delicate balance of our eco system in previous years..
e.g Ollie swigs from a bottle of jack daniels - yet another metcalfing teenager
by that'sjusthowweroll April 07, 2013
 
2.
metcalfing (verb):

1. To disclose illegal or immoral activities while unwittingly giving clues to the individual's true identity.
My buddy got caught metcalfing on a dating site by his wife.
by MrTIggr March 14, 2012