The phrase "a big dude" is correct and usable in written English.
It can be used informally to describe a large man or someone with a big physical presence.
Example: "At the party, I noticed a big dude standing by the bar, and he seemed to be the center of attention."
Alternatives: "a large guy" or "a hefty fellow".
"I was thinking, 'This is a big dude,' " Gallery said.
"He was a big dude, he was a tough dude, but he was mashed potatoes inside".
"And he was a big dude, so we kind of had to listen to him".
The group had no mascot, only a "big dude" — Coach Murphy Anderson.
Let me tell you, Willie was a big dude and he hit hard.
BEN MCGRATH: Two-part answer: 1) Although he's a big dude, and therefore somewhat imposing, he's pretty approachable, yes.
Climbing a big wall over several days is like running a giant construction project: constantly making lists, rigging ropes, organising food, figuring out camera angles – but you're in this crazy place with your best friends and it does take on a party atmosphere sometimes, like a big dudes' camping trip.
A slow-mo look at the footage, which was obtained by TMZ, seems to reveal the other guy – a bigger dude in a ball cap – making first contact, shoving the 22-year-old on the left side of the face.
Martelly fired back in Creole, calling her a "whore" and saying, "If you want to fuck, grab any big dude in the crowd and go over the wall.
"He was always the military soldier type," said Mets infielder Justin Turner, who played with Holden in 2007 in Sarasota, Fla. "He was strong as an ox, a really big dude, but he could run really well for his size.
Those suggestions began, family members told CNN, the moment an officer in a helicopter overhead referred to the 40-year-old father as a "big bad dude" seconds before Crutcher was fatally shot.
