This page provides all possible meanings and translations of the word alans
knickers (shortened form of Alan Whickers).
The Alans, or the Alani, occasionally termed Alauni or Halani, were a group of Sarmatian tribes, nomadic pastoralists of the 1st millennium AD who spoke an Eastern Iranian language which derived from Scytho-Sarmatian and which in turn evolved into modern Ossetian.
The Nuttall Encyclopedia
a barbarous horde from the East, who invaded W. Europe in the 4th and 5th centuries, but were partly exterminated and partly ousted by the Visigoths.