To get goosebumps; the small bumps on the skin that appear from cold, fear, or strong emotion.
ホラー映画を見て鳥肌が立った。
I got goosebumps watching the horror movie.
寒くて鳥肌が立ってきたから、上着を着よう。
I'm getting goosebumps from the cold, so I'll put on a jacket.
彼女の歌声を聞いて鳥肌が立つほど感動した。
I was so moved by her singing that it gave me goosebumps.