To "Kreshki" or "Kretchky" is a reference to laying down or napping uncontrollably.
Generally a person is said to "Kreshki" or "Kretchky" after too much liquor or any substance that would cause involuntary sleep and/or paralysis. All side effect's of a "Kreshki" or "Kretchky" are reversible upon sleep or the ability of one's friends to joke the onset of a Kreshki/Kretchky before the paralysis sets in.
The word "Kreshki" or "Kretchky" originates from a Shaquille O'Neal reference in an interview on a ESPN post Lakers interview. It also took form when Coack K had a dizzy spell and had to lay down during a timeout during one of the games he was coaching.