Getting slightly intoxicated before going outside of your residence to drink with your friends in public. Commonly practiced by poorer or more frugal individuals who still want to go out and have a good time.
"I only have ten dollars for drinks for the whole night so I have to get predrunk at Dave's before we went out to the clubbbb to get for realz drunk."
The term used to describe one's state before one is to be referred to as 'drunk'. The second fifth of the 'Inebriate' circle - Sober, Pre-Drunk, Drunk, Post-Drunk, and Hungover. Symptoms include slurring words, slight loss of memory and heightened social cohesion.
"Oh my god, I am soooo pre-drunk right now! Can't wait to get tooootally smashed!" said the hoe.