snivel gear
n.— «What is “snivel gear”?…Army slang for stuff you take to the field with you to make you more comfortable. Sweat rag, poncho liner, extra gloves etc.» —“Re: do USMC snipers wear shooting jackets in combat?” by BMoorehrny Usenet: rec.guns June 21, 2000. (source: Double-Tongued Dictionary)
Further reading
A magnificent new book celebrates the richness and diversity of 450 years of written and spoken English in what is now the United States. It’s called The People’s Tongue, and it’s a sumptuous collection of essays, letters, poems...
If someone tells you it’s flisky or flobby outside, do you need to take an umbrella? A new book about England’s soggy climate includes 188 terms for rainy weather. Americans have their own joking names for local weather, from June Gloom in Southern...