mawkishly

/ˈmɔːkɪʃli/
adverb
  1. In a way that is overly sentimental or emotional, often in a weak or silly manner.
    • The film ended mawkishly, with a slow-motion hug and a swelling violin soundtrack.
    • The card was mawkishly decorated with glittery hearts and a poem about forever love.
    • He spoke mawkishly about his childhood pet, making everyone in the room uncomfortable.