| NOTBEFORETIME | It's long overdue for a loud sandpiper prior to the big bang? (3,6,4) |
| BLANKUNIVERSE | The cosmos prior to the Big Bang? |
| SMELLY | Overdue for a bath |
| LATE | Some control a temper - it's long overdue (4) |
| SHAGGY | Overdue for a haircut |
| BLOWNTOORBITS | Like planets after the big bang? |
| PERCUSSIONIST | Provider of a big bang? Possibly it's supersonic |
| BOXOFCRACKERS | Carton of biscuits that goes with a bang? (3,2,8) |
| ALLTIME | The sort of champion never surpassed - since the Big Bang? (3,4) |
| FORTE | Italian for "loud, strong", thus for a loud musical passage; or, a strong point of a person or a sword (5) |
| THUD | Tells of the Big Bang? (4) |
| YLEM | According to the big bang theory, the hypothetical substance from which the elements developed (4) |
| SMACK | A distinct flavour; dialect in parts of northern England for a fried potato scallop; a group of jellyfish; or, an onomatopoeic word for a loud kiss (5) |
| BEINGKEPTINTHEDARK | Waiting for the electric company to accept your long overdue payment |
| ABOUTTIMETOO | A struggle on Twitter, basically, by international movement for the exploited is long overdue |
| YOUNG | Comedy prequel to The Big Bang Theory on E4, ----- Sheldon (5) |
| SHELDON | Spin-off prequel to The Big Bang Theory, Young -(7) |
| THRASH | Informal word for a loud, lavish party; a subgenre of hard-core heavy metal or rock music; or, a fast exhilarating motor race (6) |
| CLANG | A word from Gaelic language for a loud noise (5) |
| GENESIS | Seeing explosion - small or big bang? (7) |
