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1.
An abbreviation for "Sounds Good To Me"
> Wanna grab lunch?
>> SGTM
> Let's do it.
by smarbin August 24, 2007
 
2.
Acronym: Silently Giggling to Myself. An alternative to the often overused "lol," "rofl," or any other acronym that conveys a person is amused and is neither laughing nor rolling on the floor. Not to be used in face to face situations or over the phone - recommended usage is via text based communication mediums.
Friend: <Insert Witty Banter Here>
You: sgtm
by WeAz September 01, 2005