one-pump noun 1verb 1forms 3 noun1 •(slang) An instance of one-pumping.How can you spot a Fortniter at Starbucks? / They order everything with one pump. — 2021 verb1 •(slang) To kill someone in one shot with a pump action shotgun.The arrival of season 4 also saw the arrival of the much prophesied comets to coincide with the superhero theme, which ultimately meant just different skins to wear while a young child one-pumps you. — 2018 formsone-pumped · one-pumping · one-pumps
