the.com/snag
A tiny catastrophe that mistakes itself for a minor inconvenience.
means An unexpected problem or obstacle, or to quickly grab or catch something.
from From Scandinavian roots meaning a jagged stump or projecting point — the literal underwater tree branch that ripped sailors' boats open, now any hidden thing that snares your plans.
River dangerSubmerged logs that sank 19th-century steamboats were snags.
Knitting perilA pulled thread in fabric is also a snag.
Aussie slangA snag means a barbecue sausage Down Under.