1 definition by Mermer0008
Using benzocaine (numbing cream) as lube during intercourse and fellatio. Person's involved will experience numbing in the genital and oral regions leading to numb cock and num tongue.
Shelly accidently grabbed her grandfather's numbing cream thinking it was sexual lubrication. Shelly was surprised when she experienced num sex.
by Mermer0008 March 19, 2017