我不敢和雪碧我怕透心凉
[wŏ bù găn hé xuĕ bì wŏ pà tòu xīn liáng]
This nickname conveys a humorous sentiment, implying that 'I’m afraid to drink Sprite as it makes me feel too cool inside', with an intended pun in Chinese as 'Sprite' sounds close to the expression of heartache. This is used metaphorically for being too honest and upfront leading to discomfort or heartache.