Iām a bit stuck on 8,D & 13,A
8,D - Dictionary corner potty mouth poked by Australian heading for Hobart, not for the first time ! (7)
Iāve got D?z???h [Dozenth?]
13,A - coming in a slit , helmet of dick going in (6)
Iāve got A?v ??? [Advent?]
Any help much appreciated, tia , Rob .