A negative terminal is the grounded terminal on a car battery, typically marked by a minus (-) sign. It is usually color-coded black. The other terminal is positive, usually color-coded red or orange, and marked with a plus (+) sign. The grounded terminal connects to a grounded source on the vehicle, typically a bolt in the chassis.
also jack-boot (jÄkâ²boÍotâ²) n. 1. a. A stout military boot with a flared top that extends above the knee. b. A stout military boot that has an often studded sole, lacks laces, and extends to mid-calf.
BLUF. BLUF is an international fraternal organization of gay men and MSM sharing a fetishistic interest in leather breeches and uniforms. The leather breeches are worn inside tall leather boots known as jackboots. BLUF is a part of a larger leather subculture and the sexual aesthetic is similar to the exaggerated masculinity seen in the work of Tom of Finland. Members share interest in leather fetishism, boot fetishism, and uniform fetishism.