The most common and most likely answer to this crossword clue is the 7 letter word ULULATE
I've seen this crossword clue in The Guardian
U
L
U
L
A
T
E
More clues leading to the result ULULATE
- Howl from girl over spilt tea
- Hour of anticipation: Glaswegian singer to turn up and screech
- Knocked over, Greek character and singer howl
- Taking lead from a South African, act like Tarzan
- Wail from two university lecturers getting worried
- Pop star performing flip scoffed – hoot
- Greek character and female pop singer about to wail
- South African dead, leader gone, howl in grief
- Backing singer had moan
- Act like Wailers knocked back as support for rising female vocalist
Buddy explains!
The straight part
We know that "act like Tarzan" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case act like tarzan = ululate.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ULULATE mean?
ULULATE verb- To howl loudly or prolongedly in lamentation or joy
- To produce a rapid and prolonged series of sharp noises with one's voice.