It depends on what he likes
Female stripes
The word boss can be either a female boss or a male boss. It of course used to only be a male that was the boss which is why people sometimes assume that the boss is male but that is no longer the case.
a male boss = boss (בוס) a female boss = bossit (בוסית)
Female: Avian, Raven, Shade. Male: Shadow, Boss, Hocus.
It would be easier to answer this if you gave more information about this best friend, like: Is she male/female? How old is he/she? etc. But to give you some inspiration, maybe you can browse the gift sites I'll be linking. Good luck!
A gift card so they can buy what they want. Teenagers change their mind and style so often this lets them get exactly what they just have to have!
You could go to a shop like Things Remembered and get him personalized desk piece. They have nice metal pens and other office items that can be engraved.
A birthday boy is a male who is celebrating his birthday.
"I love my boss" in English is Quiero a mi jefe to a male boss and Quiero a mi jefa to a female boss in Spanish.
The Alpha Male.
Never. Guaranteed the boss is after one thing. It makes it easier to seduce her
Sounds like the perfect time to change jobs.