The ultra-class size breasts of women within the realm of japanese pornography.
J-cup stars are awesome. Some of the best are Matsushima Marina and Ohura Anna.
by Blake J-Cup Fan November 07, 2005
One of the best damned boob sizes ever. Famous amongst Japanese bikini models and porn stars.
My last girlfriend, for example, had j-cups. Best titty fuck ever.
by R4wr July 18, 2006

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×