150 roc block is the were lil herb, lil bibby, capo,etc all the NLMB boys are from and NLMB is an acronym that was created by lil her it stands fo Never Leave My Bro.
Any woman weighing an average of 150 pounds;
A sign of a healthy average weight.
Often used by insecure men as a deregatory insult to being overweigh where a woman was once smallert; despite that 150 pounds is medically and ideally healthy for the average woman.
“Hey man, looks like she’s in the 150 clubnow LOL”