bum-sucking vs sucky

bum-sucking

adj

  • Obsequious. 

noun

  • Obsequious behaviour. 

sucky

adj

  • Tending to suck up or ingratiate oneself. 

  • Being something which sucks, which is unpleasant or inferior. 

noun

  • A fellation, a blowjob. 

  • A fellatrix, a blowjobber. 

  • A pacifier. 

How often have the words bum-sucking and sucky occurred in a corpus of books? (source: Google Ngram Viewer )