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1.
Time of day that defines the ambiguous time between afternoon and evening.
'What are you doing tomorrow prevening?'
'Tomorrow is Saturday so I will be spending the prevening presorting and presoaking."
by Scheb Nheel May 26, 2010
 
2.
The time of day in between afternoon and evening, usually when dinner is served. Like 5:00 o'clock bro.
Do you want to be cool during prevening, Bro?
by Maheblo370 July 19, 2014
 
3.
That time in the afternoon where it is still afternoon but starts to feel like evening because you start to think about dinner. I.E. beginning at 4pm. Prevening runs between 4pm and 6pm.
"Well it's now 4pm, time to start thinkin about dinner. It's prevening now."

"It's 6pm, prevening is over, it's now evening."
by repeal1968guncontrolact July 19, 2012
 
4.
The time between afternoon and evening.
Pre-evening
Lets go to the movies this prevening.
by 123456789012346890-`12345890pk October 10, 2013
 
5.
PRE-evening. Just another word for AFTERnoon.
"Good prevening, ladies"
by Nath Taylor February 26, 2008