1)The act of inhaling the crumbs of graham crackers through one's nostrils as though it was a drug.
2)The act of placing graham cracker crumbs around the inside of one's nostrils to prevent the smelling of a bad aroma.
1)"Hey man you wanna go grahamming after school?"
"Yeah sure! I ground up some graham crackers last night!"
2)"Aw jeez, I stepped in dog crap!"
"Wow! That smells very bad! I might have to graham to cover that up!"