Including everything or everyone; in total.
This sign was excerpted from The Lamp sign story referring to the 'sun, moon, and stars all together'.
Gloss: ONE-ALL-DAY IX-me LAUGH | GIGGLE ALTOGETHER ONE DAY EQUATE-TO IX-THOSE LAUGH ONCE YEAR. (gesture) TRUE! (gesture).
English equivalent: I laugh more in a day than they do in a year and I'm not kidding.