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1.
LCM
Life Coach Mode
When a family member, friend, co-worker or acquaintance tries to manage your life as they see fit. This is typically relentless and unsolicited advice.
Tom, stop LCMing Fran; She doesnt need advice about how to be a stripper.
by TheDirtySanch October 27, 2011
 
2.
lcm
Low class moron.
That guy looks like a typical LCM.
by vfo6 July 11, 2013
 
3.
LCM
Long Course Meters. An abbreviation used in swimming to indicate a pool is 50 meters long.
The minimum 50 freestyle time for the race is 30.5 LCM.
by Swimmer92696 August 04, 2009
 
4.
Lindero Canyon Middle School, which included student Andrew Bloom from 2000-2004. He is awesome and is the coolest person the school will ever see.
I'm going from LCMS to AHS, y'know?
by Moon Goat September 12, 2004