Lauryn Hill's Mug Shot -- Can't Take My ANGRY Eyes Off You!

Terms to describe Lauryn Hill's mug shot: Angry ... furious ... steaming ... intimidating ... VOLCANO ABOUT TO ERUPT!!!

The U.S. Marshals Service has released Hill's mug shot ... taken in June when she pled guilty to three counts of failure to file tax returns for the years 2005, 2006, and 2007 -- when she earned more than $1.8 million.

Hill faces up to 3 years in prison and could be hit with $75,000 in fines when she is sentenced in November.