for one's skin to feel prickly or become bumpy due to fear or excitement.
When he sings, I get goose bumps.I never get goose pimples.That really scared her. Now she's got goose pimples.
get goose bumps
To get bumps on one's skin where one's body hair stands on end as the result of an intense feeling of cold, nervousness, anxiety, excitement, or fear. I got goose bumps watching that scary movie last night!Their concert was so amazing, I got goose bumps when they played their first song!It's so cold in here that I'm getting goose bumps.