Fiddle with and Use up

Fiddle with verb - To handle thoughtlessly, ignorantly, or mischievously.

Use up and fiddle with are semantically related. In some cases you can use "Use up" instead a verb "Fiddle with".

Use up verb - To make complete use of.

Fiddle with and use up are semantically related. Sometimes you can use "Fiddle with" instead a verb "Use up".