I'm going to cut you some slack and impart some wisdom, here.
The OP's question was valid because - contrary to your own personal belief - the international education system is not simply an inferior analog of what we have here in the US. French universities do not simply hand their students a baguette, slap them on the behind and say, "Here's Your Bachelor of Wine! Good luck in zee US!" The international education system is a diverse and fairly complex system of educational organization schemata, and it varies broadly in the maturity of each schema. It may differ significantly enough that one of three things is true:
1) The US educational schema just patently rejects the validity of the degree or license. The OP's parents could have gotten their JD/MD/MBA from The International University of Dart and Spear-Making, but most reasonable people (and the educational powers here) would consider him a first-generation college graduate if he were getting his degree from Georgia Tech.
2) On the other hand, some educational institution's programs are recognized as valid here in the US, but not as rigorous as (or for fewer years than) the US program, and therefore require additional schooling here in the US to count as "college graduates." If this were the case for the OP, his parents could have come here and received no further education, and he would technically be the first college graduate in his family.
3) Finally, some degrees are purely vocational, and the educational system here in the US will recognize that because the parent's degree was not in, say, liberal arts, that the person can reasonably qualify as the first college graduate in his family.
So if you're going to be an ***, at least put the "smart" back in "smartass"