Crossword puzzle clue "a log may have one"

It's the log in "ants on a log"

A log may have one

"You may have the universe if I may have ___" (Verdi opera line)

Fish that may masquerade as a log

A sub may or may not have one planned

Actor who said "Some people have youth, some have beauty—I have menace"

Sounds you might make when I say "Would you rather watch your parents have sex or have your parents watch you have sex?"

Log one's leaving