"Uh, Blunk hate to spoil moment, but... CUTE COUPLE STILL IN TROUBLE!!!"
— Blunk (reminding a making-out Caleb and Cornelia that a runaway ATV is about to run them down), W.I.T.C.H., "I is for Illusion"
"I'd just like to interject here and point out that I'm not going to say anything to spoil the mood, chief. I'll just float here and watch. Don't mind me, just sitting here, floating and watching, that's me."
—Morte, Planescape: Torment
"Awwwwwwwwwwww!" (Beck and Jade both turn to her) "...I ruined the moment."
—Tori Vega, Victorious "Jade Dumps Beck"
Rhea: COUGH COUGH HAACK COUGH HACKK COUGH COUGH...Zzzzz...
Kieri: N-never mind. I'm sorry.
Leela: We're heading straight into a black hole!
Fry: Talk about a mood killer.
J.D.: Elliot Reid: Moment Killer!
Elliot: What's up, guys?
Near Miss Kiss:
The hero and heroine are about to kiss. Their lips are a quarter of an inch apartóbut then they're interrupted.
Marge: Yes, honey.
Bart: You just bought another load of crap from the world's fattest fertilizer salesman!
Homer: You'll pay for ruining this golden family moment!
(715): I didnt believe in cockblocking untill my roomate brought home that.