Somebody who excels in a certain field, above average. Also can mean just simply awesome.
"Wow, he gets all the chicks bro."
"Yeah man, he's a chick specialist."
A rank in many modern militaries, especially the United States military, that is above private 1st class and below corporal (Army) in some instances.
Frank was a specialist in the Army.
(n.) Someone who is special.
"Look at him trying to run with cramp in his leg; he looks like a specialist."
"I'm so glad I met you girl; you're my specialist."
Q: "He always just seems to sit there staring gormlessly. What does he bring to the team? What does he specialize in?"
A: "Being special."
Stop calling my sister a spack
you fucking specialist.