Adjective meaning "penis shaped". A portmanteau of "knob" and "oblong".
That banana and apple fruit bowl you have there is looking pretty knoblong.
by Elastin2 November 02, 2013
A unit of measurement used to measure items in terms of average knob length.
It was the longest.....ive ever seen. It was at least 4 knoblongs.
by Bosslah November 01, 2009