A) someone who was in support of the ussr rolling tanks (hence 'tankie') into hungary in 1956. these people (or the original ones anyway) are mostly all dead.
B) anyone on the left of any tendency who supports existing socialist states or parties - though now it's not even that, and can only reliably be read as "leftist i don't like"
two answers, both equally true:
A) someone who was in support of the ussr rolling tanks (hence 'tankie') into hungary in 1956. these people (or the original ones anyway) are mostly all dead.
B) anyone on the left of any tendency who supports existing socialist states or parties - though now it's not even that, and can only reliably be read as "leftist i don't like"