FOS

American

Or F.O.S.

abbreviation

free on station.
free on steamer.
Slang. full of shit (a euphemistic initialism used to avoid explicit vulgarity). See shit.

FOS British

abbreviation

fructooligosaccharide: a chain polymer of fructose found in a variety of plants, vegetables, and fruits and used as a sweetener

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

An FOS investigator has recommended at least £115,000 should be refunded to them by Revolut, who are contesting the sum.

From BBC • Oct. 19, 2024

FOS, which issues newsletters detailing different sports events and their business influence, said it has 35 million monthly reads for its newsletters.

From Reuters • Oct. 2, 2023

A source with knowledge of the situation told FOS that Bezos remains interested in NFL ownership.

From Fox News • Sep. 15, 2021

Personally, I don't agree with it and so, after years of support of WNT, I'm exercising my FOS and boycotting them until she and Ellis are gone.

From New York Times • Sep. 19, 2016

The active hubs found included HIF1A/ARNT, the transcription factor program activated by VHL mutation, as well as MYC/MAX, SP1, FOXM1, JUN and FOS.

From Nature • Jul. 3, 2013

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023