Verb
get a clue (third-person singular simple present gets a clue, present participle getting a clue, simple past got a clue, past participle (UK, Australia, NZ) got a clue or (US, Canada) gotten a clue)
(US, idiomatic, informal, often imperative and disparaging) To become aware of the obvious reality of a situation, often used as a command to indicate frustration
"How many times do I have to tell you that this relationship is over? Get a clue!", she said after her ex-boyfriend asked her again to get back together.
You tie me up in knots. I want to play you a thousand different songs so you can get a clue of what... I feel inside me. Katy Evans
However, on the recent Warner Bros. produced Scooby-Doo shows (What's New, Scooby-Doo?, Shaggy & Scooby-Doo Get a Clue!, Scooby-Doo! Source: Internet
In 2006, Kasem continued to voice Shaggy only in the direct-to-video film series through 2009, while Scott Menville performed the voice of Shaggy in the 2006–08 CW series Shaggy & Scooby-Doo Get a Clue! Source: Internet
Shaggy & Scooby-Doo Get a Clue! ran for two seasons on The CW. Source: Internet