seven-seven-three-aitch

773H

slang The world "hell" spelled with numbers instead of letters, viewed backwards and upside down. I've been looking at this question for nearly half an hour, and I still don't know what the 773H it's asking for!

seven-seven-three-aitch

and 773H
n. hell. (This is based on the printed word HELL rotated 180 degrees. Jocular.) What the seven-seven-three-aitch is going on around here?