You can dance if you want to.

BOOGIE
Salsa Thursdays at Masa
What: Hoof off the flautas and margaritas to the deejayed sounds of old-school and contemporary Latin rhythms.
Why: Newbies can take free lessons courtesy of Salsa Boston.
When: Thurs., 10 p.m.-1 a.m.
Where: 439 Tremont St., South End (617-338-8884).

SEE
Nirva Trunk Show
What: Local designer Nirva Derbekyan offers a sneak peek of her beauteous spring frocks.
Why: Free bubbly and Hotel Chocolat truffles sweeten the deal.
When: Sat., noon-5 p.m.
Where: Stil, The Mall at Chestnut Hill, 199 Boylston St., Chestnut Hill (617-527-7845).

NIBBLE
Finally Friday Menu at Clink
What: Fuel up for the evening’s festivities with well-priced apps like veal and ricotta meatball sliders, steamed mussels with fennel and bacon, and $1.50 oysters.
Why: Better early than never.
When: Fri., 3-8 p.m.
Where: 215 Charles St., Beacon Hill (617-224-4004).

SAVE
Union Park Street Winter Sale
What: South End neighbors Michelle Willey, Looc, Aunt Sadie’s, Gracie Finn, and Old Japan join forces to offer 10-75 percent discounts on clothing and home accessories.
Why: Celebrate the joyous union.
When: Sat. & Sun.
Where: 8-22 Union Park St.

SHOP
Cabin Fever Indie Gift Show
What: Hunt for creative V-Day prezzies from clothing and pottery to stationery, courtesy of 70 local artisans.
Why: They’re crafty, and they’re just your type.
When: Fri., 6-9 p.m.; Sat., 11 a.m.-7 p.m.
Where: 460c Harrison Ave., South End. Free parking at 385 Albany St.

Photo: AFP / Getty Images