• ass, asshole, cluck, dry brain, fuckhead, goosey-gander
• bilge, rot, tosh, trash
• blather, blether, drivel, drool
• to be too silly for words
• to be too silly for words
• bunk, bunkum, bushwa, crassitude, crassness, doltishness, fatuity, fiddle, folly, fudge, imbecility, inanity, ineptitude, monkey business, nonsense, piffle, rot, silliness, tomfoolery, tosh, vacuousness
• it is little short of folly