Definition of Mr. Nice Guy
- I'm tired of the way they treat me. From now on, no more Mr. Nice Guy!
used as a conventional title of courtesy except when usage requires the substitution of a title of rank or an honorific or professional title before a man's surname
used in direct address as a conventional title of respect before a man's title of office
used before the name of a place, profession, or activity or before an epithet (such as clever) to form a title applied to a male viewed as representative of the thing indicated
: wanton, dissolute
: coy, reticent
: showing fastidious or finicky tastes : particular
: in a nice or pleasing way
: man, fellow
: individual, creature
: a rope, chain, rod, or wire attached to something as a brace or guide —called also guyline
: to steady or reinforce with a guy
: to make fun of : ridicule
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