Budge seal restricting opening of noodles (5)
I believe the answer is:
shunt
'budge' is the definition.
(both can mean to move something)
'seal restricting opening of noodles' is the wordplay.
'seal' becomes 'shut' (I've seen this in another clue).
'restricting' indicates putting letters inside.
'opening of' says to take the initial letters.
The initial letter of 'noodles' is 'n'.
'shut' enclosing 'n' is 'SHUNT'.
(Other definitions for shunt that I've seen before include "Vehicle accident" , "Arrange wagons; minor accident" , "Transfer a train to another track" , "Divert into alternative course, like train" , "Rear end collision" .)