In actual fact means to "Have a Go" and if examined closely can see that if the 's' at the start and 'at' at the end are removed forms the original word
A goat that is microscopic in size and lives in untrimmed or unshaven pubic hair. It feeds off of crumbs from food, lice, crabs, or ANYTHINGdropped into the pubic hair.
Girl: " My moms bush is like a forest its so big and gross, and I think she has feeder goats now!
Boy: "ewwwwwww"