buttspecking 

using a speculum to gaze into a person's anal cavity, usually for sexual pleasure.

i went to my gynecologist, but i think he was more interested in buttspecking than the open sores on my vagina.

buttspecking by dr.smegman January 21, 2011

buttsecking 

to be in the act of buttsecks; to buttseck.

hello? hey dude wuts up. hey can i call u back in like 20 minutes? i'm buttsecking my girl. aight talk to later, peace.

buttsecking by jon p from November 8, 2008

buttsecking 

to be in the act of buttsecks; to buttseck.

hello? hey dude wuts up. hey can i call u back in like 20 minutes? i'm buttsecking my girl. aight talk to later, peace.

buttsecking by jon p from dub pee... November 6, 2008