nomesain 

Do you know what I am saying?

dat bitch was a skanky ho, nomesain?

nomesain by Clinton August 5, 2003

nomsain 

Shortened for "no what im sayin?" (incorrect online spelling, as well) which would be "You know what I'm saying?"

She had an ass like WOAHH.. nomsain?

nomsain by dre vassallo March 18, 2003

nomesayin 

short form of "You know what I'm sayin'?" Used during conversation to monitor the participants comprehension of each other.

Aw, hell naw. I stay wit my aunt up on 48th and Rome, nomesayin?

nomesayin by CJ January 25, 2004