smashing
adjective

- excellent, wonderful

(Oxford English Dictionary)

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ORIGIN

From the 18th century verb "smash," meaning to break to pieces. The use of "smashing" as an adjective in the sense of "excellent or sensational" was first recorded in the early 20th century.

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The Who: Smashing Good

Whilst performing at a London club one evening in 1965, Pete Townshend of the rock group The Who whirled around and accidentally slammed his guitar against the low ceiling. When he realised that he had broken the instrument's neck, he smashed it against the ground and rammed the remnants into an amplifier.

The crowd went wild and instrument-smashing promptly became a standard part of their act. Unfortunately, with the band smashing about £700 worth of equipment every night (and earning £500), finances quickly became an issue. "We'd come out ahead," John Entwistle screamed one day, "just by not showing up!"

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SYNONYMS

brilliant, excellent, great, outstanding, superb, impressive, galvanizing, invigorating, stimulating, extraordinary, phenomenal, sensational, spectacular, enchanting, enthralling, incredible, unbelievable, amazing, astonishing, astounding, awesome, fabulous, marvelous, prodigious, staggering, stunning, stupendous, sublime, wonderful, wondrous

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SMUGGLE OWAD into a conversation, say something like:

"Thanks for the invitation, we had a SMASHING time at your barbecue yesterday."