unsexiful 

Unsexiful is an adjective given to an individual who is currently not engaging in sexual intercourse and hasn't for some time, whether by choice or by circumstance.

Nigga, you so unsexiful...

unsexiful by crumpnasty December 15, 2011

undeniful 

to be full of things not true; denying;

He was undeniful when he said we was with his friends.

undeniful by Monique Weaver January 10, 2008