ERP verb 1noun 7forms 3 verb1 •(Internet) To act out erotic roleplay.She [M] continues by elaborating that ERPing with C also serves, “as a catalyst for sexual exploration.... I think we’ve been more willing and able to explore our interests together.” — 2015 noun7 •Initialism of enterprise resource planning. •(Internet) Initialism of erotic roleplay. •Initialism of event-related potential. •Initialism of effective radiated power or equivalent radiated power. •Initialism of equity risk premium. •Initialism of estimated retail price. •Initialism of effective refractory period. formsERPed · ERPing · ERPs