Sat. June 21

 First day of summer ... How to celebrate? Well, one option is the ever-sexy Babes in Boinkland - the offshoot dance troupe from Boink magazine - which will be featured at the Common Ground in Allston at the Cheap-Thrills-A-Go-Go bash. Psycedelic dance music supplied by the BeatTrain DJs. You must be 21 or older to get in - there's some flesh exposed here, kids! and booze, too! - but it's just a $5 cover. Starts at 11.

83 Harvard Ave., Allston, 617-783-2071 www.commongroundbarandgrill.com or myspace.com/cheapthrillsagogo