1. superlative form of gorsy; covered with or abounding in gorse (a spiny shrub)
Usage: chiefly British; botanical/regional
2. superlative form of gory; containing or characterized by the most blood and violence
Usage: informal; common in film and entertainment contexts

Examples

• The gorsiest patches of the moorland were difficult to traverse on foot.
• That horror film was the gorsiest one I've ever seen.
• The gorsiest areas of the heath were avoided by hikers in summer.
• The battle scene was the gorsiest moment in the entire movie.
• The gorsiest shrubland stretched across the Scottish highlands.
• Critics called it the gorsiest superhero film ever released.