Where does 'knocked up' come from?

Anthony Horowitz (Diary, 4 February) tells us he was advised by a ‘sensitivity reader’ to remove the word scalpel from a book with a Native American character lest it suggest scalps (though the words are unrelated). I’ve stumbled across the birth of a new forbidden phrase on Twitter, that social media swamp for the older

The Hilarious Way Seth Rogen Prepared for Knocked Up

What Katherine Heigl said about Knocked Up.

Knocked Up - Rotten Tomatoes

Knocked up means to become pregnant. Example: She got knocked up by her boyfriend. #slang #saying #sayings #ph…

15 Things You (Probably) Didn't Know About Knocked Up

Five Thoughts on Legends of Tomorrow's “Knocked Down, Knocked Up” – Multiversity Comics

Knocked Up (2007) — She's Having a Baby 2 – Mutant Reviewers

Katherine Heigl elaborates on why she said Knocked Up was sexist - HelloGigglesHelloGiggles

Original Film Title: KNOCKED UP. English Title: KNOCKED UP. Film Director: JUDD APATOW. Year: 2006. Stars: KATHERINE HEIGL; LESLIE MANN. Credit: UNIVERSAL PICTURES / Album Stock Photo - Alamy