straight up vs unkiddingly

straight up

adv
  • Truthfully; honestly. 

  • To the utmost degree; really. 

  • Chilled (stirred or shaken over ice) and served in a cocktail glass, with no ice. 

  • Unambiguously; bluntly; plainly and directly. 

unkiddingly

adv
  • Without kidding or joking; in all seriousness. 

How often have the words straight up and unkiddingly occurred in a corpus of books? (source: Google Ngram Viewer )