Will God send you straight to hell for it? I'm going to say most likely not. But at the same time this is something that God's currently dealing with me on. It isn't something I've ever attempted to curb and I really never paid attention to it until I really felt like God asked me why I used some of the words I was using and who/what attitude my words reflected. For me, It isn't ok. Because the attitude behind it is the old me. And I don't really want that kid hanging around. Do I think anyone else is horrible if they use them? No. But I'd challenge anyone asking this question to question why they are questioning. 
I've memorized this...And when I slip...which is insanely awful at this point
I repeat it to myself a few times. In the end the attitude behind my words were as bad if not worse than the actual words being said...so they do not fit the occasion at all.
Ephesians 4:29 Let no corrupting talk come out of your mouths, but only such as is good for building up, as fits the occasion, that it may give grace to those who hear.
I've memorized this...And when I slip...which is insanely awful at this point