What is Sharni?
1.
A person who laughs unnaturally often.
bahaha look what a sharni
See
2.
Someone who laughs when its not funny.
Shaz:: Nobody laughs at my jokes *Makes sad face*
Alfie:: Thats because they're not funny
Ash:: Thank god we have a Sharni in our group
Sharni:: *Laughs uncontrollably*
See