Synonym: Nut, addict, ball, ballock, bollock, crackpot, crank, egg, en, freak, fruitcake, junkie, junky, nut case, nutcase, orchis, screwball, testicle, testis. Similar words: minute, peanut, nutrient, diminutive. Meaning: [nʌt] 
n. 1. usually large hard-shelled seed 2. Egyptian goddess of the sky 3. a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt 4. half the width of an em 5. a whimsically eccentric person 6. someone who is so ardently devoted to something that it resembles an addiction 7. one of the two male reproductive glands that produce spermatozoa and secrete androgens. v. gather nuts.
n. 1. usually large hard-shelled seed 2. Egyptian goddess of the sky 3. a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt 4. half the width of an em 5. a whimsically eccentric person 6. someone who is so ardently devoted to something that it resembles an addiction 7. one of the two male reproductive glands that produce spermatozoa and secrete androgens. v. gather nuts. 
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31 She's a film nut.
32 If you think this film is good you must be off your nut.
33 It strikes me that he's right a tough nut to crack.
34 As a teenager, Jack was a real hard nut, always getting into fights.
35 The most effective new botanicals are extracts from cola nut and marine algae.
36 He may have softened a bit in his old age but he's still a tough nut.
37 He grabbed my tie and I thought he was going to nut me in the face.
38 Celtic have lost only once this season and will be a tough nut to crack.
39 I didn't get home till three - my mum did her nut!
40 He drives like a nut he'll kill himself one day.
41 Where have you been? Your mother has been doing her nut for two hours wondering.
42 With two houses, three cars and child-support payments, he just couldn't meet his nut, even with a second job.
43 Fifty police officers to arrest two unarmed men is surely a case of using a sledgehammer to crack a nut.
44 She'll do her nut when she sees the broken window.
45 What kind of nut would leave a car on a railway track?
46 Printing visiting cards on a thirty - inch press is using a sledgehammer to crack a nut.
47 You don't have to be a sports nut to enjoy skiing.
48 It was a small and peaceful demonstration so I don't know why there was such a big police presence. It was like using a sledgehammer to crack a nut.
49 She's a tough nut to crack ; I don't think she'll give us permission.
50 Our nut roasts aren't exactly made for vegetarians.
51 Add nut mixture and spread evenly.
52 All it took was tightening a nut.
53 She eats a pistachio nut,[sentencedict.com] and fastens her locket.
54 Talk about using a sledge-hammer to crack a nut!
55 Be awesome! Be a book nut! Dr. Seuss 
56 In fact, the nut resembles a girl's pudendum.
57 There are two ways to crack this nut.
58 Eleanor is such a nut.
59 Sprinkle pine nut mixture over and serve immediately.
60 The Annamese all chew betel nut.