Procure por qualquer palavra, como hipster:
 
1.
The act of making yourself laugh when either no one is around, or no one else is laughing with you.
"Justin needs to cut back on his laughterbation habits, its starting to become a problem."
por CheetullBro 28 de Agosto de 2008
 
2.
The act of laughing until you bust a nut.
Jim: "So I watched Grandma's Boy the other day and laughed so hard that I came."

Bob: "Ah nothing like a good ol' evening of laughterbation"
por lucraine 25 de Julho de 2010
 
3.
to laugh while you masterbate
the picture was so hot and funny laughterbation was the only thing i could do
por parry henis 12 de Outubro de 2007