Definition of snoozefest in English:

snoozefest

noun

informal
  • An event, experience, etc. that is extremely boring.

    ‘the actual game was something of a snoozefest’
    ‘this supernatural snoozefest is about as incomprehensible as they come’

Origin

1980s: from snooze + -fest.

Pronunciation

snoozefest

/ˈsnuːzfɛst/