afterclap
/ˈɑːftəklap/ /ˈaftəklap/noun
1An act or effect occurring after the conclusion of some affair or incident, especially when unexpected or undesirable; an unwelcome consequence or surprise.
2A later event that reproduces some of the features of an earlier one; (literal ) a second or further clap of thunder.
Origin
Middle English; earliest use found in Arthour and Merlin. From after- + clap.