(n.) Trying to get with a girl only to:
- be interrupted 3 times by your roommates,
- finally get the condom on, get it in her, find out there's a hole in it
- trying to to tell her about the hole, only to realize she's deaf, and
- ultimately, failing to get off.
(adj.) to describe such a terrible event.
(n.) He pulled a mullen last night. What a retard.
(adj.) Shit, man, last night was a real mullen moment.