A bi-product of vaginalliquids stored in the vagina over time which has femented into a fishy tasting paste.
Kevin Block: "I tried to go down on my girl last night but her coochie smelled like a dead fish."
Walter: "Bro just wait until you find the fishpaste down there."
An offshoot of the men's hipster style movement, identified by dressing in fishermaninspired clothing in an urban environment.
A Fishster looks like he just got back from working the docks, or several months at sea searching for whale blubber. Tight jeans, pea coat, knit hat, facial hair, and possible vest.