no brainer (noun) kid stuff: something simple
Sinonime: applesauce, balderdash, baloney, bilge, claptrap, eyewash, flimflam,
garbage*, hogwash, hooey, horsefeathers, jazz, piffle, poppycock,
rot*,
rubbish, tomfoolery*, tommyrot,
trash*, twaddle
Antonime: sense