Lad’s throw every so often about to land (6)
I believe the answer is:
ashore
'to land' is the definition.
(I've seen this in another clue)
'lad's throw every so often about' is the wordplay.
'every so often' indicates alternate letters.
'about' becomes 're' (regarding).
'lads'+'throw'='ladsthrow'
The alternating letters of 'ladsthrow' are 'asho'.
'asho'+'re'='ASHORE'
(Other definitions for ashore that I've seen before include "Toward land from water" , "On(to) dry land" , "Off the boat" , "on the coast" , "Toward land from the sea" .)