What does "prepping" mean?

The action or process of preparing something, or preparing for something.

Prepping

Common synonyms include: arrangement, arranging, basic training, briefing, disaster readiness, emergency planning.

/ˈpɹɛpɪŋ/ noun, verb

noun, verb ·Uncommon ·Advanced level

Noun

1
The action or process of preparing something, or preparing for something. uncountable
2
The practice of making active preparations for a possible catastrophic disaster or emergency, typically by stockpiling food, ammunition, and other supplies. Canada, US, uncountable

Verb

"Tom's prepping his son for university."