Maybe foreigners instead of trying to be English-rude with that 'son-of-bitch' phrase, could use this less vulgar 'son-of-bleach' as directed towards a Caucasian male?
At airport security check:
I am not a terrorist and Yes! I wish to comply with the safety regulations, you son-of-bleach!
Die Mails werden von email@example.com versendet. Wir versenden keine Spammails.