I'm just me, so if a swear word clips, I won't waste time censoring myself. I try to be as honest as possible when I review a game except when I do a skit, but if a game makes me feel like saying 'what the f**k' then I'm gonna say what the f**k.
I remember a vid I did once, when we were all talking and giving our thoughts of the game, I said 'what the f**k' somewhere, and one of my friends said 'I don't think you can say f**k on Youtube' and I'm like 'dude, I say it all the time on my show' that that ruined the whole take, lol. Had to re-film the whole scene all over again.