איזה קיצורי מילים יש באנגלית כאלה ומה התרגום שלהם

fr
for real

idk- i don't know
idc- i don't care
asap- as soon as possible
rn- right now

lmfao
laughing my fucking ass of
lmao
laughing my ass off
aka
also known as
rn
right now
brb
be right back
ttyl
talk to you later