come on strong

come on (too) strong

1. To behave aggressively. You're going to have to come on strong to get them to take you seriously as a leader. Although she was simply trying not to come on too strong, many people found her to be wishy-washy instead.
2. To flirt in an abrasive or overly forceful way. Vince has a hard time getting dates because he always comes on too strong with the ladies.
3. To gain popularity. 1970s fashions seem to be coming on strong this summer.
See also: come, on, strong
Farlex Dictionary of Idioms.

come on strong

 and come on like gangbusters
to seem aggressive; to impress people initially as very aggressive and assertive. She has a tendency to come on strong, but she's really a softie. The new president comes on strong at first.
See also: come, on, strong
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

come on strong

1 behave aggressively or assertively. 2 make great efforts or advances. informal
See also: come, on, strong
Farlex Partner Idioms Dictionary

come on ˈstrong (with somebody)

(informal) make your feelings clear in an aggressive way: Do you think I came on too strong at that meeting?
See also: come, on, strong
Farlex Partner Idioms Dictionary

come on strong

and come on like gangbusters
in. to seem aggressive; to impress people initially as very aggressive and assertive. (See explanation at like gangbusters.) She has a tendency to come on strong, but she’s really a softie. Bob comes on like gangbusters and gets meaner the more he drinks.
See also: come, on, strong
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • go on a rampage
  • go on the rampage
  • do unto others
  • act/play the fool
  • act the fool
  • act the maggot
  • Act your age!
  • act/be your age
  • act (one's) age
  • act one's age