I take pride in my hobby - homemade bongs using my engineering degree

(Wrong)
Tom, what is your hobby?
Nose picking.
......

(Right)
Tom, what is your hobby?
Inventing, I am recently making a nose-picking machine, NP-18.1, which not only picks my nose, but also gives it massage and physical therapy, when I dont pick my nose, it works as an ipod.
Cool.

He went to Argentina for his Hobby.

HAM: Dude, check this brand new multi-band transceiver I've got. I've paid just $999 for it! Isn't that great?
non-HAM: Man, what for?!
HAM: well... you know... it's my hobby, duh.

"Do you have a hobby, Jane?"

"I enjoy painting Russian dolls and dissolving cadavers in my basement."

Jimmy's hobby is to collect stamps.
Yeah you guessed it he's a fag.

Programming! Remember how much you liked to do complex programs, tricks or scripts to impress your friends (or yourself)? It was cool to do it just because YOU WANTED to do it. But get into IT and the last thing you'll do in your free time is to sit on your PC for hours programming. It won't be your hobby anymore!