Referring to the danger of partaking of the idol feasts.
To play (παίζειν)
The merrymaking generally which followed the feast, not specially referring to the dancing at the worship of the golden calf. See Exo 32:19.
Commit fornication
Lasciviousness was habitually associated with idol-worship. The two are combined, Act 15:29. A thousand priests ministered at the licentious rites of the temple of Venus at Corinth.
Three and twenty thousand
A plain discrepancy between this statement and Num 25:9, where the number is twenty-four thousand. It may have been a lapse of memory.