The cat o' mountain prowled through the forest.

The R. O. C. is an alternative form of ROC.

I bought a double monocular for my hiking trip.

The audience used the clap-o-meter to measure their applause.

The neighborhood was filled with jack-o-lanterns on Halloween night.

I carved a spooky jack-o-lantern for Halloween.

He is a sack o' shit.

The T.o.D.s are on display at the museum.

T. O. D. stands for Time of Death.

T.o.D. stands for Time of Death.