Tough guy, a bit of a bully (5)

I believe the answer is:

manly

I'm a little stuck... Click here to teach me more about this clue!

'tough' is the definition.
(thesaurus)

'guy a bit of a bully' is the wordplay.
'guy' becomes 'man' (guy can informally mean a man).
'a bit of a bully' becomes 'ly' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'man'+'ly'='MANLY'

Can you help me to learn more?

(Other definitions for manly that I've seen before include "Macho" , "With male attributes" , "Masculine" , "Virile" , "Bold" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.