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1.
sloti: acronym (verb)

s.l.o.t.i
silently laughing on the inside

most people do not actually laugh out loud when they type LOL to someone but instead are silently laughing on the inside.

trademark-shannon rupp "totes sloti"
(in text form)
shannon-hey pam did you hear about what happened to ryan?
pam-totally did sloti
by totes sloti May 20, 2011