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to banter; to make fun of; to jeer at
to cool; to refrigerate
to window-shop; to look at without buying
友人をからかって冷やかすのが彼の癖になっていた。
It had become his habit to tease and make fun of friends.
恋人ができたと聞いて仲間が冷やかし始めたようだ。
Hearing that someone got a partner, friends started teasing.
彼は照れくさそうに笑いながら冷やかしをかわした。
He dodged the teasing while laughing embarrassedly.