crease up

verb — 2 senses

crease up

verb

1

To crease or become creased.

2

UK, Informal, Slang To laugh (or make someone laugh) uncontrollably.

He fell flat on his face and everyone just creased up!
The last scene creased me up.

1 more example

More than a year on, Norton, 56, still seems buzzing from the shoot. He keeps creasing up and sharing his favourite lines.2026 July 3, Catherine Shoard, “‘I feel both thrilled and ruined by this’: Olivia Wilde and Edward Norton on making sex comedy The Invite”, in The Guardian, →ISSN:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.