A thick build up of dust that refuses to come off even with lots of cleaning.
Although not completely permanent (as the name suggests) the dust is made of very resilientparticles that can transfer into the pores if rubbed hard enough with bare skin.
Abriviation for permanent double chin. A person called a perma dub has a very angered personality. Always rasing their voice, and getting mad if they are not heard, while sporting their double chin.
A permanent state of dirty looking hands. A mixture of dirt and grease that stays on your hands no matter how many times, or how vigorously they are washed. Common for men in trades like automotive mechanic, heavy trucking, and welding. The hands will appear dirty and can be anywhere from slightly-dirty, to completely black