Top Definition
acronym for 'smile quietly in my mind'.
generally used in situations that don't warrant a lol or other forms of outrageous laughter.
also used when a person wants to convey that something was smileworthy but doesn't want to use a hyperbole like lol or lmao to cheapen it.
can be used to catch out people on video calls who say lol but dont.
*after being shown cute puppy pics*
GK: lmao wut?
JC: lol
RZ: rofl
SG: squimm
GK: lol
SG: you didn't laugh out loud.. you just sqiymed (smiled quietly in your mind)
by Gibs the CTS January 31, 2011

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