The act of being ''Sam'd'' occurs when travelling to a foreign country and following happens:
You get ripped off by the locals by being lured into a lucrative deal then being overly charged, most commonly in markets or beggars.
An unlucky moment happen that would only happen in not your homeland.
" I got given this bracelet for FREE, he put it on me, but then he asked me for 10 Euros!!?! so i gave him the money"
"Mate you've been Sam'd!!'