No, STD's are passed through sex not touch. So just taking off a condom will not give you anything. If you had oral sex without a condom then you would have a small risk for some STD's.
Sorry. I didn't mean to say anything vulgar. Anyway, can you catch anything while taking a condom off after receiving oral sex from a girl?
By using a condom you have no real risk. Don't know everything you said because you can use vulger langiage.