без задних ног

Etymology
lit. 'without hind legs'.

Phrase

 * 1)  exhausted, extremely tired
 * 2)  soundly, like a log, (out) like a light
 * 3)  heavily intoxicated
 * 4)  helpless, bed-ridden, unable to move (due to illness or injury)
 * 1)  heavily intoxicated
 * 2)  helpless, bed-ridden, unable to move (due to illness or injury)
 * 1)  helpless, bed-ridden, unable to move (due to illness or injury)