orgasm UK /ˈɔː.ɡæ.zəm/US /ˈoɹ.ɡæ.zəm/noun 3verb 1forms 3 noun3 •A rush of sexual excitement; now specifically, the climax or peak of sexual pleasure, which occurs during sexual activity and which in males may include ejaculation and in females vaginal contractions.have an orgasmhave repeated orgasm •A creamy white alcoholic cocktail containing amaretto, Irish cream, and coffee liqueur. •(no longer used) A spasm or sudden contraction. verb1 •To have an orgasm. formsorgasmed · orgasming · orgasms