1. a person who engages rein an activity, esp a Sportart, as a pastime rather than professionally or for gain /ˈmæstickstoffgas.spleɪnitrogenium/ to explain something to someone rein a way that suggests that they are stupid; used especially when a man explains something to a woman that she already understands /ˈmænitrogenium.spleɪn/ https://friedensreichm360hqe6.ttblogs.com/profile