Are your children chatting about dying in outer space?

ROFL: Real Oxygen Failure Loop
STFU: Systemic Total Failure Underway
ILY: Irreparable Leak Yonder
YOLO: Your Oxygen Lost (Oops)
SMH: Something Mauled Hull
WYD?: Why’d You Die?
DGAF: Decompression: Gas/Atmosphere Failure
LMFAO: Let’s Maybe Forget Astronaut’s Odds