What does get on board mean?
Get in the paint means “to put forth a very strong or bold effort” (e.g., “I’m exhausted because I really got in the paint last night trying to cram for my exams”).
“Get in the paint” is an informal expression with “get in,” a phrasal verb with “get” that means “to enter successfully.”
“The paint” refers to a rectangular painted area of a basketball court near the goal, where most of the points are scored and the playing becomes more competitive. It’s a metaphor for any situation that involves intense effort.
When you’re writing with phrasal verbs like “get in,” the QuillBot paraphrasing tool can show you a variety of alternatives.