I think this is whats called an &lit clue.
&lit stands for "and literally". In non-cryptic crosswords, &lit is
usually attached to clues that are meant to be read two ways: as a
definition, and as a form of wordplay (eg, literally).
In cryptic crosswords, &lit is a term applied to clues where both the
definition and the cryptic parts are the whole clue itself, and not
separate parts of the clue. These clues are usually signalled by a ? or
a ! at the end.