Berserk comes from Old Norse berserkr, which combines ber-(bear) and serkr (shirt). According to Norse legend, berserkrs were warriors who wore bearskin coverings and worked themselves into such frenzies during combat that they became immune to the effects of steel and fire.
n. ( 1 Abbr. TM) A name, symbol, or other device identifying a product, officially registered and legally restricted to the use of the owner or manufacturer. 2  A distinctive characteristic by which a person or thing comes to be known: the shuffle and snicker that became the comedian's trademark. Back in the 19th century the Bass & Co Brewery used a Red Triangle logo for their pale ale and in 1876 this logo went on the become Britain's first trademark and as far as we could find, the world's first trademark. Bass Pale Ale Trademark. Page Sponsored By: Arcade Force Gaming Directory.
Registered as a trademark in Vancouver, Canada, in 1932, the year the first craze for them began (subsequent fads 1950s, 1970s, 1998). The toy itself is much older and was earlier known as bandalore (1824). Figurative sense of any up-and-down movement is first recorded 1932.