Bagging

Bagging can mean:

Competitve bagging
In statistics, data mining and machine learning, bootstrap aggregating
In mountaineering, peak bagging
In medicine, ventilating a patient with a bag valve mask
In agriculture, a form of reap hook bagging hook from verb to bag (or to badge) - harvest of cereal crops
In drug slang, bagging is a form of drug abuse akin to huffing.
Teabagging
The online trend started in New Zealand where people take photos of themselves wearing a brown paper bag on their head.

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