Nut

(redirected from a tough nut)
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Related to a tough nut: tough nut to crack

Nut

The total amount an advertiser spends on a television, radio or Internet marketing campaign. For example, if an advertiser sponsors a radio program and broadcasts $1 million worth of commercials, that $1 million is that advertiser's nut.

NUT

see NATIONAL UNION OF TEACHERS.
References in periodicals archive ?
Therefore, they are the best to plant in any given location where these hickory trees are part of the native eco-system.) To obtain hickory nuts, however, one must still "go nutting" for several years after planting the trees, because they do not bear nuts for at least five years, and trying to estimate how many years will pass before trees of a particular type go into full nut-bearing potential is a tough nut to crack indeed.
They don't know when they're beaten and have a durability that makes them a tough nut to crack.