look up any word, like tribbing:
 
1.
"Laugh Silently In My Head Because It Wasn't Actually Funny Enough For Me To Laugh Out Loud"- Other known as what REALLY happens when one of your friends texts, or says "L.O.L"
John- Yeah, i had to walk 37 miles to get home...
Frank-"Lol"
John-"..."
what really happend when Frank heard that was L.S.I.M.H.B.I.W.A.F.E.F.M.T.L.O.L.
by Jake Opp November 09, 2011
 
2.
Laughing silently in my head because it wasn't actually funny enough for me to laugh out loud
Wanna hear a joke?

*yeah go ahead*

why did the chicken cross the road?

*dunno*

to get to the other side LMAO

*lsimhbiwafefmtlol*

huh?

*xD*
by iKrayzee July 17, 2011