2 definitions by hayimus

some type of drug pill thing too but whatever. MOST people use it to tell someone to calm down or ease up. It also means to relax
Sumiyah: Oh my Goddd!! I wanna choke her
Fana: Sumiyah! relax gurl. take a chill-pill
by hayimus October 27, 2009
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short for stupid. similar how re re is short for retard or retarded, and how cra cra is short for crazy. stu stu is pronounced like stue stue
Sumiyah: That girl is so stu stu. She stole a book from the library. haha
by hayimus November 9, 2009
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