What does SMO; SMON mean in Internet Slang, SMS, Texting & Chat

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What does SMO; SMON stand for?

SMO; SMON stands for "Serious mode on"

How to abbreviate "Serious mode on"?

"Serious mode on" can be abbreviated as SMO; SMON

What is the meaning of SMO; SMON abbreviation?

The meaning of SMO; SMON abbreviation is "Serious mode on"

What does SMO; SMON mean?

SMO; SMON as abbreviation means "Serious mode on"