wimp out

listen to the pronunciation of wimp out
Английский Язык - Турецкий язык
Yan çizmek
Английский Язык - Английский Язык
Not do something that you intended to do, because you do not feel brave enough, strong enough etc
If you wimp out it means you got scared in a situation and dOn’t do something that you were planning to do

So if Steve saw his girlfriend and didn’t tell her what he thought, then he “wimped out”.