To throw something (including attitude) with great derisive force.
Peter was so mad at his skank girlfriend that he fwanged his beer at her.
by VU Class of 82 January 28, 2010
Extemely gay cock, looking, hunting, searching for gay dick. Stops at nothing to find it. Will kill other fwang!
Hey, get that fwang off my kwang
by Dick Doctor July 03, 2003