(n) Restless Loser Syndrome is a disease some people get that causes them to keep thinking their phone is ringing/vibrating when really, it isn't. So the person keeps checking and checking their phone only to see that it never rang in the first place, making them a loser.

The origin is unknown, but the cause is said to stem from a person mistaking a light shake in the leg or an odd noise for their phone ringing.
-Why do you keep looking at your phone? is someone texting you?
-No, i keep thinking it's vibrating and i check it but it's not!
-Sounds like you have RLS.
-Restless Leg Syndrome?
-No, Restless Loser Syndrome, loser!
by THE_Æ June 1, 2009
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