Oh for christ sake, another one!!!!!
Read the thousand previous questions about the same thing you boring person. You can't make your cock bigger or thicker unless you want to spend thousands of pounds, dollars, rupees etc. THERE IS NO SUCH THING AS A PENIS ENLARGING DEVICE, PILL, POTION, CREAM, MAGIC SPELL THAT WILL MAKE YOUR COCK BIGGER.
Be happy with what you've got, or win a million and go for highly risky surgery that doesn't guarantee to do anything more than leave you with a deformed and scarred cock.
Moderators, can there not be a ban on these stupid questions?