Lots of condom brands have a "reservoir" tip. Try a different brand. Lots of cheaper brand name condoms on Ebay too. Search for "Bulge in bulk" or "bulgeinbulk".
Don't be sorry to be graphic, nor to talk about sex. There's nothing wrong with sexuality! And sometimes you need to be graphic. I've had women post questions like "I'm so wet I can't feel anything, and I feel like just a piece of furniture. What do I do?"
(Interesting problem, BTW. Never did hear of a solution.)
I have a long time interest in psychology, specializing in relationship dynamics for 30 years.
(Please note, we give the best advice we can based on the information given in a post. For better advice, please include the age of all romantic partners.)