Bugger (verb)

1. To engage in anal intercourse with (a man or woman).
2. Used to express annoyance, impatience, or surprise.

Origin:

From middle english bougre, from old french bougre, from medieval latin bulgarus (bulgarian) – alleged to be from the belief of the catholic church that eastern orthodox christianity, which was practised among the bulgarians, was a form of manichaeism or other heresy.

Examples:

1. He was arrested for trying to bugger a minor.
2. The soldiers were rumored to have bugged the enemy's headquarters.
3. Oh, bugger! I forgot my wallet at home.
4. The computer program keeps bugging out and crashing.
5. Bugger me, I didn't think you would actually show up.