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fit to burst

A British phrase meaning to do something wholeheartedly, with total enthusiasm, or to be so full of a feeling you can barely contain it.

ˈfɪt ˈtu ˈbɝsthistorical255 viewsLast reviewed Jun 29, 2026+ Add a definition
🇬🇧 British & Irish slang
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UK
#1·Apr 28, 2026UK

A British phrase meaning to do something wholeheartedly, with total enthusiasm, or to be so full of a feeling you can barely contain it. You can be fit to burst with pride, love, excitement, or even laughter. It's a brilliantly expressive idiom — that physical sense of being so packed with emotion you might literally pop. Hugely common in UK everyday speech, totally natural across ages, and used in both casual conversation and writing.

When her daughter crossed the finish line first, she was fit to burst with pride.
Origin: British idiom drawing on the image of a vessel so full it's about to burst. The figurative sense of emotional fullness has been in common use throughout the 20th century in UK English. Editorial expansion authored on Slangora.
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UK
#2·Apr 27, 2026UK

(informal, chiefly, UK) Wholeheartedly.

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🇬🇧About British & Irish slang slang

UK and Irish slang — Cockney, Scouse, Geordie, Yorkshire, Glaswegian, Brummie, Welsh, West Country, plus Irish English. Centuries of regional dialects feeding into modern British and Irish street talk.

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