Bad credit is the condition when you were unable to make timely repayment to the earlier loans you have taken. You are then termed as someone having bad credit history. The main effect of this is the bad impression you will have while approaching for a new loan given your bad past record. Unsecured loans are those for which you don’t put any collaterals, this might be risky, so the lenders usually hesitates for this.
Now given you have both bad credit tagged to you and you also don’t have any collateral to put as security, add to it the immediate requirement of cash and all that cooks up is not tasty at all. This is really adverse situation for you, but don’t get worried because bad credit fast unsecured loans are tailor made for these situations only.