when you have done something so asinine and moronic that when something bad is about to happen time seems to slow down to allow you to apriciate just how dumb you and the choice you have made are. used to insult pepole who truly deserve to be in sulted
guy1:dude, i got one of those pocet rocet things for my birthday, I used it to try and jump my pool, but as soon as I relised that i wasn't going to make it... dude it was like time slowed down.

guy2:... Slo-Mo-Fo...
by freak with a pen November 2, 2009
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When you're stuck in LA and you can't check on your dad in Austin because of frozen weather.

Also, a deplorable sexual activity performed when the power is out.
My pops got caught in a slo-mo side-slide, and his dicks never been the same since
by haxauce February 2, 2023
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The sound made when the victim of a fail is slowed down to the point where the cry of horrific pain is changed into a gut bustingly funny roar and then posted on youtube.
The fat kids Slo-Mo Fail Roar when both his arms snapped like twigs made that video worth watching!! Although the bones sticking out through his skin made me throw up.
by A.Z.A.S Forever! January 12, 2009
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