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."
"I literally had COVID but my professor won't let me make up the exam. What a Callahan."
by psyfloperator November 18, 2020
Get the A Callahanmug. In Ultimate Frisbee, you catch a disc thrown by your opponent in your endzone and score a point. It is the coolest thing in Frisbee.
by hotdish March 27, 2009
Get the callahanmug. a friend of the dream team, and server operator on the dreamsmp he doesnt speak or show his face online, but is considered one of the funniest people on the dream smp just by using in game chat
his minecraft skin is captain america in a reindeer onesie
his minecraft skin is captain america in a reindeer onesie
dsmp fan 1: did you see what Callahan just said
dsmp fan 2: yeah, he is so funny and he doesnt even talk!
dsmp fan 2: yeah, he is so funny and he doesnt even talk!
by dreamsmpfacts January 25, 2021
Get the callahanmug. The act of getting so wasted that one pukes in a random sink and cleans it out with their bare hands.
by Blond Doctor March 18, 2011
Get the Callahanedmug. The Callahan Theory is performed when a person completes all of his/her homework on the absolute last day of the semester. No homework is done through out the course until the last day. Then, he/she hands all of it in to the teacher all at once. To complete the theory, you must still achieve a 3.5 GPA.
Matt - "Hey Pat, have you done your homework tonight?"
Pat - "No, we're only two weeks into the course, I follow the Callahan Theory."
Matt - "What's that?"
Pat - "It's when I do all of my homework on the last day of the semester, and still get an A!"
Pat - "No, we're only two weeks into the course, I follow the Callahan Theory."
Matt - "What's that?"
Pat - "It's when I do all of my homework on the last day of the semester, and still get an A!"
by MickWhop July 23, 2012
Get the Callahan Theorymug. A mostly white hellhole in Northern Florida
It's crawling with racist and homophobic Republican hicks. Has a population of a little over 1,000, but has a fuckton of churches. Most boring place on earth. If you're a minority, old white people will give you looks of disgust and fear. Don't live here!
It's crawling with racist and homophobic Republican hicks. Has a population of a little over 1,000, but has a fuckton of churches. Most boring place on earth. If you're a minority, old white people will give you looks of disgust and fear. Don't live here!
I almost got shot by a bible thumping hillbilly in Callahan Fl when he saw my Ridin' With Biden flag
by ericcman July 4, 2021
Get the Callahan Flmug. 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.
by Downingtown East9 January 12, 2010
Get the Joseph Callahanmug.