pits are short for "armpits" otherwise called underarms

The lower section of the Eagan High School Stadium reserved for upper classmen. Because it's always packed, underclassmen only ever find room sitting on the edge, with the band kids, or in the adult sections.

a place or situation that is lousy, boring, loathsome etc (from armpits)

aka shitty

The act of underarm sweat coming through a shirt.

n.-The appropriate actions undergone in a mosh pit.

The word pitting is a gerund, meaning it acts as a noun but can also be used as a verb or a modifier, which is the same for 'running' and 'swimming'.

Pitting takes place in a pit, or mosh pit, and involves the actions assosciated with such a place such as moshing or slam dancing etc. Dominantly done at metal or hardcore concerts but has spread to other related genres.

Coined by the addition of the suffix 'ing' and an extra 't' to the word 'pit'.

The word 'it' can be added to form the phrase 'pitting it' which still has the same meaning.