By the widely recognized origin of the word (the Soviet Union rolling in tanks to suppress revolution in Hungary) and what it means (people in support of that use of force and tanks to suppress civilian revolution), supporters of Israel and the US are both "tankies." Glad we agree, good talk!
Let me be a bit more clear:
By the widely recognized origin of the word
Edit: maybe I wasn't clear enough
widely recognized origin
Did those people forget to condemn Hamas?