A sub-form of lol. The scheme of how lolzzz was born is:lol (laugh out loud) -> lols (plural form of a loud laugh) -> lolz (cooler way of the same) -> lolzz(supposedly even more cooler) -> lolzzz.Lolzzz is usually written, not spoken, but a common pronouncement is "lol" + a long "z" getting lower and quieter (like a landing jet plane). It can also be pronounced "lol-z" with a very abrupt Z.Lolzzz can refer both to something very funny or something not really funny.A: My boss recently bought a new PC and bragged about it all day until it showed a BSOD and wouldn"t restart anymore.B: Lolzzz!A: My neighbour"s cat yesterday saw a speeding truckand got scared half to death, ran up a tree and didn"t come down until the next morning, isn"t it funny?B: Lolzzz. Poor kitty.