look up any word, like full-donald:
 
2.
Similar to a rusty trombone but you put your eye up to the gentleman's anus instead of your lips. Use the penis like an ocular piece by twisting to adjust focus.

Warning: leads to conjunctivitis.
Bill and John were just horsing around when Bill gave John a rusty telescope. John laughed when Bill went to adjust his "focus"
by Ziglerfish February 09, 2012
 
1.
After having serious anal sex with your partner, ram your shit covered dick into their eye socket. Resembling a telescope
Suzie saw the hershey highway through my rusty telescope and was able to name a new galaxy. "The Peanut Galaxy.
by Cworth28 April 20, 2009