btw
/ˈbiːˌtiːˈwʌɪ/; /ˌbiːˈtiːˌwʊ/ or /ˈbiːˌtuːˈwʊ/ or /ˈbiːˌtʊˈwʊ/Definitions
1. adverb
in a brief or casual manner; briefly.
“I’ll see you later, btw.”
2. acronym
by the way
“How was your day, btw?”
3. initialism
by the way
“Btw, I have a meeting at 2 PM.”