(tr) to help to get through (a period of difficulty, distress, etc.)
The same as "tide over," this phrase may make less sense, but it's easier to say...
The money tied him over until he got a job.
These snacks should tie me over while I wait for dinner.
The same as "tide over," this phrase may make less sense, but it should tie us over until everyone knows proper Ingrish
She was looking for something to tie over her hair and her appetite.