gun show
English
Etymology
The biceps sense is an extension of the metaphor whereby biceps are jokingly called guns.
Noun
- (chiefly US) An event where a promoter rents a venue to bring together gun dealers and potential purchasers: a trade show for firearms.
- Hypernyms: trade show, trade fair < show, fair, exhibition
- (humorous) A display of one's bulgingly muscular biceps (upper arms).
- two tickets to the gun show