A secret code word among males used to explain the cause of a spontaneous erection. Habfnar means to Have A Boner For No Apparent Reason, such as when waking up in the morning, or just at any time in general.
Pronounced: Ha-boof-nar
Pronounced: Ha-boof-nar
by Michael MySpace September 16, 2008
I was at my son's bris ceremony when I got a HABFNAR (ha-boof-nar) and was asked to leave by the rabbi.
by Richard Lewis III January 25, 2009