1A - BANJOwe (jawbone anag. minus "we")
4A - ORCHIDS (homoph. of "or kids")
9A - UMPTEEs + N (meetups anag. minus "s")
10A - L.A. + SHOUT
11A - BOTTOM LINE (ass crack double defs.)
12A - muCH INcompetence (hidden)
14A - JUNIOR (homoph. of "June you're")
16A - deliciousLY RICh (hidden)
18A - Shotgun(E)DAN (anag. of "and")
19A - H + AILED
21A - Detective + Offered + RansoM
22A - GOOGL(EM)APS (anag. of "Gap's logo")
25A - CH(athEist)MIST
26A - A(BAND + O)N - rabia
28A - RATHOLE (anag. of "real hot")
29A - pET HOSpital (hidden)

1D - B(eLUR)B
2D - Netflix + eIP
3D - OREGONIANS (anag. of "regions on a")
4D - O(B)oLONG
5D - rekCUSPmul (rever. and hidden)
6D - IRON HORSE (anag. of rhinoceros minus "c")
7D - SAT + ANIC (anag. of "Cain")
8D - ANT(L)ER + Spice (anag. of "aren't")
13D - ALLITERATE (homoph. of "a litter rate")
15D - UNDERWENT (anag. of "turned new")
17D - TH(EGO)AT
18D - Shrimp + Is + Devoured + ECAR (rever. of "race")
20D - S + OO + THEy
23D - SAN(D)S
24D - thinK I LOst (hidden)
27D - ombuDsmen stUdy tHe