The Original SSI's's definitions
plural: SSI's. Noun. One who works at  posh summer internsip and is sexy. Acronym: Sexy Summer Intern.
SSI: Boss, you should take me to dinner/Alaska/drinks because I'm sexy.
Boss: Ok, I'll get you on the next flight.
Boss: Ok, I'll get you on the next flight.
by The Original SSI's August 4, 2007
Get the SSImug.