delulu /dɪˈluː.luː/noun 2adjective 1forms 3 noun2 •Delusion; delusional attitudes or thoughts.how to achieve this level of delulu? — 2025 •(Internet) A delusional person. adjective1 •(Internet) Delusional.I literally think someone gave me drugs while I was sleeping... Im so delulu right now what on earth — 2012 formsdelulus · more delulu · most delulu