This term got heavily popularised and joked about by the Japanese VTuber company: Hololive. The term refers to big breasts. And there are memes about boing boing and pettan and usually they’re making fun of a former Hololive VTuber Uriah Rushia because she is flat unlike most of the other members.
Woman: I have big boing boing sand you don’t!
Woman 2: SHUT UP IM NOT FLAT!!!
Woman: mine can be used as space hoppers!
Woman 2: SHUT UP IM NOT FLAT!!!
Woman: mine can be used as space hoppers!
by Reinbokuru April 16, 2024
Get the Boing boingmug. This means to receive categorical assurances on which you (should) know you cannot rely, but some people still do.
to bo-jo (verb) - as in 'Matt Hancock was well and truly bo-joed before he decided to resign.' or as in 'People in Northern Ireland were bo-joed over the border issue in the Northern Ireland protocol.'
by baslowman July 6, 2021
Get the to bo-jomug. Analyst of time. Uses scripture to predict market crashes. More accurate than Gregory Mannarino ever was.
by mason lodger June 15, 2021
Get the Bo Polnymug. 
by Chowderboobye May 21, 2018
Get the Bomug. by mahlersym2 October 28, 2020
Get the Ni bo jimug.