1: The collection of sendiment in a bottle of vinegar which floats around as a semi-solid mass but would break apart if one attempted to spoon it out. Completely harmless, but gross nonetheless
2: Cum or mucus free-floating in a thinner (darker) liquid
I was going to have the salad, but one look at the vinegar squid and I went with the soup
Dude, you need to clean the toilet. I spit in there this morning
and the fucker looked like a vinegar squid the bowl was so nasty.