Orgasm/ˈɔːrɡæzəm/ Definition 1 of 1Pro Tip 1/3Intimate Context Used primarily in intimate, private situations to describe a sexual peak. They both reached orgasm at the same moment. Pro Tip 2/3Colloquial Usage While it's a scientific term, 'orgasm' is commonly used in casual conversation about sex. We talked openly about having an orgasm. Pro Tip 3/3Metaphorical Use Sometimes used metaphorically to describe a peak experience in non-sexual contexts. The concert was so good, it was like an orgasm for my ears.