when the stock market is doing very well
DOW has been up for the past few days looks like its a bull run
by The Foxtrot Tango September 14, 2009
An ugly worse than a monkey face looking person with no good personality and usually you'll see them in the ghettos or in gang related activities.
"Hey look it's a bullrun we gotta get out of here!"
by JordaaannnT July 31, 2015