Watermelon-Infused Tequila + Watermelon Margaritas!

bottle of white or silver (, 100% agave tequila)

small seedless watermelon ((yielding about 2 pounds of 1 inch cubed watermelon))

sealable jar with will hold the above ((I use an 8 cup/4 pint Mason jar with lid))

watermelon tequila ((above))

frozen limeade

cubes of the watermelon from the tequila jar ((above))

Cointreau or Citronage

crushed ice