’Cue up.EATSecond Annual Green Grocer Chicago BBQWhat: Local farmers slap pasture-raised meats on the grill. Snack on fruit from Seedling Farms and sip beer from Two Brothers Brewery and Goose Island.Why: All you can eat for a suggested donation of just $5.When: Today, noon-4 p.m.Where: 1402 W. Grand Ave., at Noble St. (312-624-9508). R.S.V.P. to email@example.com.RESERVEMangalitsa Pig Dinner What: Chef Chris Pandel creates a five-course meal ($105) around everyone’s favorite animal protein.Why: Proceeds go to Common Threads, so you’ll feel good about porking out.When: Sept. 16, 7 p.m.Where: The Bristol, 2152 N. Damen Ave., at Webster Ave. R.S.V.P. (required) to 773-862-5555.SHOPSwirl StealsWhat: Hefty discounts on bags, sunglasses, and jewelry.Why: Everything you have is covered in sand and sunscreen (but any excuse is fine with us).When: Now. Where: Online at swirl.com.GATHERGrubwithusWhat: New social dining network lets you go online to book an individual seat at a participating restaurant (a bit like OpenTable). Why: Places around you get filled in with other friend-seeking diners.When: You want to expand your flock.Where: To register, go to grubwith.us.EXPLOREThe Garden What: The forested oasis on the Northwest Side is the city’s first free-ride bike park, where mountain bikers tackle dirt jumps and do stunts.Why: It’ll take you back to your freewheeling Huffy days. When: Daily, 9 a.m.-7 p.m.Where: Clark Park Playlot, 3400 N. Rockwell St., at Addison St. (312-742-7594).