splooge
n.— «I’ve used a hair dryer to soften them up before peeling them off. Then I used bug and tar remover to get off the splooge.» —“Re: How to remove old decals easily?” by Gary Palangian Usenet: rec.motorcycles May 24, 1993. (source: Double-Tongued Dictionary)
Further reading
Susan from Virginia Beach, Virginia, shares the phrase her mother used when the kids refused to eat: It’ll grow hair on your back teeth. This supposed motivator likely blends two older traditions: a German idiom, Haare auf den Zähnen haben...
To describe something tiny or insignificant compared with something vast, you might reach for phrases like a drop in the ocean or a drop in the bucket. In Mandarin, there’s an equally picturesque phrase that translates as nine cows, one hair, 九 牛 一...