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The most important thing done at university. Stands for pre-drinking. Important part of the night getting drunk on cheap alcohol so nights out are cheaper. Games such as ring of fire and beer pong may constitute preing. Must be done with mates, because drinking on your own is weird.
"Where are you preing tonight?"

"Going to Dave's. Might take the beer pong stuff"
by mike95195 March 28, 2015
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