or snooze-fest, snooze fest

[ snooz-fest ]
/ ˈsnuzˌfɛst /

noun Informal.

an activity, situation, etc., regarded as very boring or tiresome: The conference was so disappointing—what a snoozefest!

Origin of snoozefest

First recorded in 1965–70; snooze + fest Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for snooze-fest