to defend oneself or close allies even in the face of adversity.
One of my boy's was gettin jumped so I had to stand tall.
That was some real shit he stood tall by himself against 5 goons!
Some of the youngin's been sayin' your pup stood tall with a snitchin' boy.
~ Marlo Stanfied (The Wire)
Yo you wouldn't have stood tall?
~Michael Lee (The Wire)