What are tax returns for?

SHOP
Maude Mango Pop-Up Store
What: Vintage connoisseur (and Rue La La stylist) Maureen Dahill raids her own closet for a one-night retail smorgasbord of 1960s leather coats, Mad Men-era cocktail dresses, and throwback handbags and costume jewelry.
Why: Current-day DVF, Prada, and Marc Jacobs for the modern woman.
When: Tonight, 6-8 p.m.
Where: Habit, 703 E. Broadway, South Boston (617-269-1998). R.S.V.P. to habitshop@gmail.com.

FUEL UP
Marathon Pasta Five-Course Menu at Rialto
What: Jody Adams upends traditional carb loading with starchy delights like truffle lasagna, potato gnocchi gratin, and hand-rolled garganelli with meatballs ($65).
Why: If you can’t be an athlete, be (a pig of) an athletic supporter.
When: Sun., 5:30-9 p.m.
Where: 1 Bennett St., Harvard Square (617-661-5050). Reservations recommended.

SEE
Child’s Play
What: Head down nostalgia lane at a group photography exhibit of old-school toys (Barbies, Howdy Doody) reimagined as artistic muses.
Why: Nary a murderous Chucky doll to be found.
When: Thru May 28. Tues.-Sat., 9 a.m.-4:30 p.m.
Where: Panopticon Gallery, 502 Commonwealth Ave., Kenmore Square (617-267-8929).

EXPLORE
Sweet and Savory South End Tour
What: Graze through six restaurants (Flour, Orinoco, Formaggio) during a three-hour stroll along the area’s most architecturally arresting streets.
Why: Sample sans commitment.
When: Thurs.-Sun., noon-3 p.m.
Where: Tour location provided at time of ticket purchase. Tickets ($48) online at zerve.com.

EAT
Park Opens
What: The former Redline space transforms into a four-room supper club; expect homey fare like meat pies, slow-roasted brisket, and crispy mussels alongside hard-to-find brews and high-intensity cocktails like the Lavender Moon (gin, St-Germain, lavender-rose-honey syrup, lemon juice).
Why: The leather-chaired, antiques-adorned den lets you plumb the depths of your Brahmin heritage.
When: Sun.-Thurs., 5 p.m.-midnight; Fri. & Sat., 5 p.m.-1 a.m.
Where: 59 JFK St., Harvard Square (617-491-9851).

Photo: Johner / Getty Images