Definition of dry sex. Overview Women's sexual desires naturally fluctuate over the years. Botox can be injected into areas around the anus for patients who have overactive sphincter muscles. Coming up next: Hope to see you soon. Your next lesson will play in 10 seconds. Mentioned in These Terms activity ratios activity type activity duration activity driver shareholder activity functional activity activity level. You are joining: So problems in your relationship can be a major factor in low sex drive.