It equals "oaf".

A term of affection and endearment describing a man whose personality traits reflect the opposite of his overall broad physique. For example, a man may be tall, physically built but isn't afraid to express his overall feelings and emotions.

是一种表示主观情感的爱称，形容一个人的个性特点与其外貌特征完全相反。比如，某个男人可能非常高大而强健，但却不敢表达自己的感受和情感。

big lug (plural big lugs)

(colloquial) A term of affection and endearment describing a man whose personality traits reflect the opposite of his overall broad physique. For example, a man may be tall, physically built but isn't afraid to express his overall feelings and emotions. In other words, a big lug is a man that acts the opposite of what his overall image reflects, or acts against the stereotypical image of the tough guy.
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是不是‘好的开端呀’

大把手