What’s the old expression about putting lipstick on a pig? “2 Guns,” a busy and bullet-riddled new action movie, has some mighty fine lipstick, but it’s still a porker.
Denzel Washington and Mark Wahlberg play a pair of drug dealers who, unbeknownst to each other at first, are both undercover cops. The dialogue is cynical and often very funny, and because the stars genuinely enjoy each other’s company, “2 Guns” rollicks along nicely for a half-hour or so. But there are secondary characters and plotlines to torture, cars to blow up, and an underlying meanness that curdles the raffish high spirits. Think of it as an Elmore Leonard-style crime caper minus some of the wit and all of the brains. In other words: Oink. Full story for BostonGlobe.com subscribers.