No steroids have been proven to making the buttocks larger. Do not attempt to take steroids except under the direction of a physician. Serious consequences may result from inappropriately taking steroids.
The size of the buttocks does not change if the anus is penetrated. Penetration of the anus may only cause temporary stretching or swelling of the area but does not impact the size of the buttocks in the long term.
The female buttocks are general bigger because of higher subcutaneous fat storage needs and broader hips.
The main places to have buttocks injections done are in South America. The trend for a bigger buttocks has been popular there for ever, not as recent a fad as in the States. The doctors will have a lot more experience with this procedure.
supposedly
Short of plastic surgery, you don't. You have what you have courtesy of your genetics.
No there all kinds of buttox,
The buttocks cannot be fattened unless you go under the knife. It can however be strengthened and firmed up through certain exercises. There are numerous workout videos out there that are entirely dedicated to making people's buttocks look bigger.
Oh honey, where do people come up with these ideas? Sperm has absolutely zero magical powers to make your buttocks bigger. If you want a fuller behind, hit the gym or embrace your genetics - but please, let's leave the sperm out of it.
tone, firm, rounded, but not too big
You can't, except maybe with plastic surgery.
Think about it. If you have muscles in your butt than they can be stimulated for growth. Yes.
since its proven that girls contain more fat around the hips and buttocks area therefore giving them a "bigger butt" as you called it