yowie suit n. a shaggy camouflage coverall or clothing outfit, also known as a ghillie suit. Editorial Note: Occasionally just yowie, especially in attributive uses. Here’s a good picture of a yowie suit. Etymological Note: The suit is said to resemble the yowie, a cryptid similar to a yeti or bigfoot that is part of Australian aboriginal legend. (source: Double-Tongued Dictionary)