guy height
How tall a guy claims to be-- usually 1 or 2 inches taller than his actual height.
"So, Mike says he's 5'9", but I know I'm 5'8", and Mike's shorter than me."
"Mike's actually 5'7", he just told you how tall he was in guy height."
"Mike's actually 5'7", he just told you how tall he was in guy height."