1 definition by Fix facebook chat

Stands for 'sorry my internet failed' when instant messaging with a friend over the internet. Most commonly used after the user rejoins the conversation, having lost internet connection for a short while beforehand due to their shitty internet service provider.
"how's everything going?"
*other person is offline*
*other person comes back online*
"smif =/"
"it's cool"

or used as a verb:
- my internet smiffed
- i have a feeling i'm going to smif in a moment, my internet's been dodgy all day!
by Fix facebook chat October 17, 2010
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