Slap-happy
a. 被打得头昏眼花的, 傻呵呵的
📖 牛津释义
slap-happy
adj
(infml 口) cheerfully irresponsible; carefree 马大哈的; 粗心大意的; 无忧无虑的
too slap-happy in his attitude to schoolwork（他）对功课太马大哈.
🧩 词语组成解析
slap
[slæp]
n. 掌掴;掌掴声;侮辱;
vt. 猛打;用力放置;尖刻批评、侮辱;
vi. 拍击;
adv. 直接地;猛然地;
🗣️ 情景例句
Happy birthday, Carl.
生日快乐 ，Carl。
Help yourself, please.
请自己用。
He is also, incidentally, an unforgivable bore.
顺便说一句，他也是个不可饶恕的令人厌烦的人。