tibla

Etymology
Most likely from, because in the 19th century many Belarusians and Russians went to Estonia from the city.

Less likely from, a rude and vulgar form of address.

Was already in common use at the time of the (1918-20) to denote non-local Russians.

Noun

 * 1)  Russian, Russki ethnic Russian.
 * 2)  Homo Sovieticus Soviet person