cach-in-nate vi -nat-ed; -nat-ing [L cachinnatus, pp. of cacchinare, of imit. origin] (1824) : to laugh loudly or immoderately -- cach-in-na-tion n
The story of my life; don't know about you all. Just be sure not to cachinnate too loudly at the bad puns in Master and Commander tonight. Depending on the neighborhood, you could end up with a cap in yo' ass or a glare through your skull.
