a paltry amount of resources that is sufficient to accomplish an objective in minimal fashion, if at all, as in “We have all these new branding ideas but can’t really execute with our lemonade budget”; comes from a shortening of the phrase “champagne taste (or lifestyle), lemonade budget”, in which one’s luxurious desires far outstrip the ability to pay for them; can be shortened further to the standalone adjective “lemonade”, describing something intangible that is meager, inadequate, incapable, etc.