There is no sex and nudity in this film.

Two old men--the main characters--have an un-bloody fistfight on a stairway.

Jesus is blasphemed many times

The F-word is used about 5 or 6 times, both in the sense of an insult ("f---ing hair!") and in its sexual sense ("Moses said you were a good f---"). There is also some other swearing of various words.

Billy Crystal has a cigar in his mouth through most of the film, sometimes lit, sometimes not (more often the latter).