plural of big-lipped alligator moment

(fandom slang) A notably unusual, tangential scene in a movie or similar work of fiction, which occurs without setup and does not affect the story afterward.

simple past tense and past participle of button up one's lip

present participle of button up one's lip

Third-person singular simple present indicative form of button up one's lip

simple past tense and past participle of keep one's lips sealed

present participle of keep one's lips sealed

Third-person singular simple present indicative form of keep one's lips sealed

In any situation, however well planned, something can always go wrong.

Alternative form of there's many a slip twixt cup and lip