When someone spends too much time in a shower, bath or swimming pool and ends up with soft, wrinkled skin. This then leads to the person looking like a Prune, hence the term.
by Grbel08 August 16, 2011

She's pruning in that picture.
by Miss Kitty Kat January 25, 2011

by StarGoat December 15, 2014

When a 4chan thread gets deleted cause of old age and inactivity. If a thread is popular i.e lots of replies from different people then the lifespan of a thread gets extended
I wonder how my thread is doing
Clicks update (This thread has been pruned or deleted)
aaaaand it's gone.
Clicks update (This thread has been pruned or deleted)
aaaaand it's gone.
by Hotpies July 11, 2017

In private BitTorrent site jargon, a pruned account is one that got deleted, usually due to inactivity on the tracker. Use it or lose it.
by Sharky Smith April 25, 2008

Roommate 1: Hey man, it's raining, can we smoke in the dorm?
Roommate 2: No, Roommate 3 is being a prune and is spending all day in the dorm, and he'll totally rat on us if we smoked while he was in the room.
Roommate 1: Fuck man, prunes ruin everything.
Roommate 2: No, Roommate 3 is being a prune and is spending all day in the dorm, and he'll totally rat on us if we smoked while he was in the room.
Roommate 1: Fuck man, prunes ruin everything.
by ErrorFM February 05, 2010

by Chris Graham January 29, 2004
