Snarl up
Definition 1 of 1
Pro Tip 1/3Figurative Use
Often used to describe situations or processes that are delayed or made more difficult. 
The project was snarled up due to unforeseen regulations.
Pro Tip 2/3Negative Connotation
Implies frustration or problems, suggesting something is hindered from moving smoothly. 
Negotiations got snarled up because of disagreements.
Pro Tip 3/3Colloquial Context
Used in informal conversation, not typically in formal writing or official documents. 
The software update has really snarled up my phone's performance.