The definition of lusty is someone or something that is filled with passion, or someone strong and full of vigor.
An example of something lusty is a man at a strip club.
Full of vigor or vitality; robust.
A lusty cry.
Full of vigor; strong, robust, hearty, etc.
Origin of lusty
Middle English lusty, lusti (“mirthful, pleasant, delicious, delightful") from lust (“desire, appetite") +"Ž -y, -i. Compare Middle Dutch lustich (Dutch lustig (“cheerful")), Middle High German lustic (German lustig (“amusing")), Old Norse lostigr (Swedish lustig (“funny"), Danish lystig (“merry")). More at lust, -y.