Slipt is another word for slipped, which is defined as to have fallen.
When you stumbled or fell, this is an example of a time when you slipt.
See slipt in Webster's New World College Dictionary
intransitive verb, transitive verb
Browse entries near slipt
slipshod
slipslop
slipsole
slipstitch
slipstream
slipware
slipway
slip
slit trench
slithery