Definition
Exaggerating, lying, or inflating the truth; speaking falsely or boastfully to impress others or create a false narrative.
Example Usage
He's been gassing about his new job—it's not nearly as impressive as he claims.
Origin
British slang originating from the idea of 'filling someone with hot air'; popularized in UK street culture and increasingly adopted in American internet slang.
Fun Fact
In British English, 'gassing' can also mean talking excessively or boring someone with endless conversation, though the deceptive meaning is more common in modern slang.
Source: Definition backfill (hailey)
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See “gassing” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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rolling on the floor laughing like hell...