When you are tired and your finger develops ED erectile dysfunction so instead of flipping someone off with you finger stiff, you just bend every other finger instead of your middle one.
1: DOUCHEBAG.

2: Yeah, well you know what?! *flips 1 off*

3: Dude, that was pathetic, you must have lazy finger syndrome
by manny-katles-jojojo December 17, 2011
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'Noun. A condition that affects the function of your fingers'

Common symptoms include but not limited to: misspelled words via text or email, inability to communicate thoughts completely and carefully. Similar to feeling illiterate.
"omg ugys...i was jsust searching on eth internet and i i lthink i have lazy sausage finger syndrome (LSFS)"
by lzytxtr October 12, 2018
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