We've found 3 phrases for dos (0.131 seconds):

cook up »    To prepare a heroin dose by heating.

doss down »    To sleep on someone's sofa or floor because there is no bed spare.

soft sawder »    "If she goes to act ugly, I'll give her a dose of "soft sawder"; that will take the frown out of her frontispiece...!" —Thomas Haliburton, "The Trotting Horse" — first usage.

BTW, Why won't you become an editor?