Use your brain.
Lounge Lit: Literary Trivia
What: Match your English-degree wits against local literati (Jennifer Haigh, Andrew McAfee) at a nerd battle benefiting the Boston Book Festival.
Why: Blew that assonance vs. alliteration question? Console yourself with free wine.
When: Tonight, 6-8 p.m.
Where: Think Tank, 1 Kendall Sq., bldg. 300, Kendall Square (617-500-3031). Tickets ($20) online at vendini.com or at the door ($25).
Bow & Sparrow Presents Helos
What: The acrobatic cabaret act makes its Boston debut during a high-flying evening of sexy trapeze feats performed to live electronica.
Why: When’s the last time you drank beer at the circus?
When: Fri., 8 p.m.
Where: The Center for Arts at the Armory, 191 Highland Ave., Somerville (617-718-2191). Tickets ($25) online at brownpapertickets.com or at the door ($35).
Kelly Dooley Trunk Show
What: The mastermind behind BodyRock Sport’s saucy yet practical workout clothes (interior pockets = genius) unveils her latest designs, including a reversible faux-fur sports bra.
Why: Let fashion be your presummer motivator.
When: Fri., 6-8 p.m.; Sat., 11 a.m.-7 p.m.
Where: Daniela Corte, 211 Newbury St., garden lvl., Back Bay (617-608-4778).
Oficio Spring Art Reception
What: Mingle with local entrepreneurs while ogling happy-making work from area artists Jennifer Moses, Deborah Putnoi, and Adrienne Shishko.
Why: If only all networking events involved art and wine.
When: Tonight, 6:30-9:30 p.m.
Where: 30 Newbury St., 3rd flr., Back Bay (857-239-9843). R.S.V.P. online at oficioarts.eventbrite.com. Event is free.
Oona’s Outpost Opening Party
What: The vintage-clothing institution fetes its second location, a more bohemian outlet stocked with ’70s paisley dresses, ’80s mod revival pieces, and cowboy boots galore.
Why: Give thanks to your newest shopping stop with beers and tunes from Wiley Brothers of DiscoVision Vintage.
When: Sat., 7:30 p.m.
Where: 1297 Cambridge St., Inman Square. Info at 617-491-2654.
Photo: PhotoAlto / Neville Mountford-Hoare / Getty Images