A member of a social network group or forum that continuously posts incredibly shitty music, while commenting to themselves alone. Threads reaching upwards from 5 to 65 comments per post from op to bottom.
All night last night, Jeff was vancing a thread with Nickleback videos. smdh.
by Soffa Realhz September 14, 2013
The act of taking vyvanse. A state in which someone is so cracked out that they may experience tunnel vision, extreme focus, sweaty palms, clammy extremities, heart attack, and/or death. This person will do nothing but work. The ultimate ADD medicine
I haven't been to class all semester; however, I am vancing so hard right now that I did all of my work. I'm so afraid... I can feel my heart pounding, and my limbs are cold.
by Sir Vance-a-Lot May 11, 2011