The act of destroying a toilet with a vile super dump. This act permanently damages the toilet, to the point that it can no longer be used by any human being.
When you screw over your soldiers or employees because you can't get over your own bitterness. Applies to all people who revel in ruining the lives of others because of their own whimsical opinions. Common symptoms of "A Callahan" include Napoleon Complex, little dick syndrome, and others.
"Dude, my boss won't let me take vacation for my honeymoon. He's pulling a Callahan on me."
"I literally had COVID but my professor won't let me make up the exam. What a Callahan."
The Baja Blast is when a man finishes in a woman’s mouth, she holds it in her mouth and drives her to Taco Bell. Where he buys her a Baja blast, she spits the semen into said Baja blast and continues to drink it all day.
Downingtown-East legend who was popular among large groups of juniors during spring of 2009. Mysterious facebook jokester (nobody truely knows who he is). Suspected to be on the Downingtown East baseball team. The legend of Joseph Callahan sparked many other fake facebooks such as Zach Peterson, Chad Williams, and David Harsky.