Verb. The act of drying ones nutsack, chode, and asshole after a shower. This is done by gripping the towel by two corners, spreading ones legs and asscrack whilst standing, inserting said towel between legs, and quickly moving the towel back and fro until the undercarriage is clean and dry.
'Dude Wendy walked into the bathroom today while I was hockey flossing. FML.'
'My nuts are still damp, man. I forgot to fucking hockey floss this morning.'