2. Noun. A psychologist; a psychiatrist. ¹
3. Verb. (transitive) To put (someone) into a required psychological frame of mind (also psych up). ¹
4. Verb. (transitive) To intimidate (someone) emotionally or using psychology (also psych out). ¹
5. Verb. (transitive informal) To treat (someone) using psychoanalysis. ¹
6. Interjection. (slang) Indicating that one's preceding statement was false and that one has successfully fooled one's interlocutor. Also ''sike''. ¹
¹ Source: wiktionary.com
Definition of Psych
1. to put into the proper frame of mind [v -ED, -ING, -S]