Current popular song contains a number of coded drug, drinking-and-driving, and other unsavory references

This song by Far East Movement is very popular among high school students right now. It made #2 on the charts recently, if I'm not mistaken.

See the Urban Dictionary for definitions of terms used in this video -- especially G6 (which has many very disturbing definitions -- in fact, I'll give you the direct link to that right here), 808 and sizzurp.