Idk:I don’t know,我不知道
lol:laugh out loud,笑出声
lmao:laughingmy ass off 笑的屁股尿流
rofl:rollon floor laughing 笑翻天了
ASAP:as soon as possible,越快越好
btw:by the way,顺便一提
fyi:for your information,以防你不知道
ttyl:talk to you later,回聊
jk:just kidding,只是开玩笑
bbf:best friend forever,最好的闺蜜
B4N:bye for now,回见(英文单词“four”和for同音,所以这里是4)
omg:oh my god 我的天呐
wtf:what the fuck 我去/什么鬼