(v.) to laughterbate. To masturbate while laughing. Similar to haterbate.

To unintentionally laugh while watching porn.

When you start laughing when your masturbating.

1.The act of laughing at your own jokes.
2.To plessure yourself with something you say.

The act of making ones self laugh.

The act of making yourself laugh when either no one is around, or no one else is laughing with you.

Main Entry: Laugh·ter·bate
Pronunciation: "Lauf-t&r-'bA-te
Function: noun
: comic stimulation especially of one's own sense of humor commonly resulting in laughing till you shit your own pants and achieved by written or other forms of amusement such as photo's or drawing concocted solely for the purpose of self entertainment,or by various combinations of these agencies