Any amount of very finely ground material created as a result of mechanical surface friction.

Mercury retrograde is the act of taking a shit whilst mooning one or more human beings. Your day can typically being going well, according to your horoscope, until you are forced into witnessing Mercury retrograde. Performing Mercury retrograde will often speed the astrological cycle forward for the individual performing the Mercury retrograde, bringing about happy and fruitful times to come.

meaning entertaining. something that is interesting.

the white remains left on a poly lens after being generated, safety beveled, or edged.

commonly found in most engineering practices. swarf is a small, thin, sharp shard of metal. which flies off of material as you cut it.

a sweater/scarf combo; a scarf with sleeves.