I tend to use it. If used properly, can be very effective and/or funny. I don't really use it in the sex sense though, like I don't say to my wife "Hey, let's go fuck," because that's kinda crass.
I enjoyed this reference to a very funny joke.
Another funny joke involving that word:
A teacher is in class with her 3rd grade students, and she says "Okay kids, I want some of you to use the word 'beautiful' twice in one sentence, and for it to make sense."
Little Sally raises her hand and says "After a beautiful Saturday, my family and I got to see a beautiful sunset."
Little Edward raises his hand, and says "My mom got a beautiful dress last week, and wore it at my cousin's beautiful wedding."
....And then little Johnny raises his hand, and says "My 16 year old sister told us she was pregnant last night, and my dad said "Beautiful....just fuckin' beautiful."