pestersome,a.|ˈpɛstəsəm| [f. pester v.1, n. + -some1.] Annoying, troublesome. 1843Amer. Pioneer II. 439 All innocent enquiries, by infants and children..should be indulged and encouraged, how pestersome soever they may seem.1906Dialect Notes III. 150 Pestersome, bothersome, annoying.