: in a hot manner a hotly contested series.

What does hotly mean in slang?

(hɒtli ) adverb [ADV with v] If people discuss, argue, or say something hotly, they speak in a lively or angry way, because they feel strongly.

What does it mean when something is contested?

Something that's contested is argued over or questioned. Contested election results may need to be re-counted, since the two sides can't agree on their validity. Controversial and contentious issues — like debated topics or lawsuits — are often described as "hotly contested," or energetically argued over.