strapwarm UK /ˈstɹæpˌwɔːm/US /ˈstɹæpˌwoɹm/ verb1 •(slang) To keep one's strap-on (sex toy with a dildo) in one's partner's anus, mouth, or vagina, typically for a prolonged period of time, without moving to create friction. formsstrapwarmed · strapwarming · strapwarms