Definition

Someone who thinks you're FOS thinks you're "full of s***." This acronym is used to call out people who are lying or ignorant.

Origin

slang.net

Related Terms

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aqap

as quick as possible

📱 Gen-Z / Internet Slang
Intermediate

fezzel

A versatile insult covering anything from gross and unsightly substances to tragically outdated fashion choices; can also be mashed with someone's name as a playful nickname. It's the Swiss Army knife of mild mockery.

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Guitar Hero Thumb—a repetitive strain injury on your strumming hand from shredding plastic guitars at expert difficulty levels way too often. It's the badge of honor no one wanted to earn.

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B-day

You may hear people use b-day in real life (IRL) or see it online or in messages. For example, your friend may text you, "When's your b-day again? I don't want to schedule my vacay during your celebration."

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mobb deap

To run away quickly and haphazardly, often in a group, without a clear destination in mind. Essentially panicked flight in collective form.

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blunts

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📱 Gen-Z / Internet Slang

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