suck dick

verb3

1. •
   (vulgar, figurative) To brownnose or flatter for favor; to work someone sexually.
2. •
   (slang, vulgar) Synonym of suck cock (“to be of poor quality”).

   • Honestly, your essay sucks dick. You need to improve it.
3. •
   (slang, vulgar) Synonym of suck cock (“to perform fellatio”).

   • ‘She is actually famous for sucking dick.’ — 2002