Thacker 

Sexual Pleasuring of ones partner usually in a rough manner

Eakins: I'm gon take Amber back to my crib n straight up thacker.

Jeeeerd: Shit dude that's my sister

Thacker by Eaks August 23, 2006

thacker dad 

A big gay creature that comes out at night and feeds on assholes

I saw thacker dad out my window last night and he penatrated my dog

thacker dad by BigDickRitchie August 7, 2015

Thacker syndrome 

succeeding without actually trying

"Hey Mike, how is Julian Wellsworth VI in the a capella group, president of his frat, president of the student body, vice president of the honors society, the star runningback, and the winner of the Pulitzer Prize this year, while still being an asshole and a giant douche?"

"I don't know. I guess he has Thacker syndrome."

Thacker syndrome by Kz October 17, 2012

THACKER SMACKER 

TO BE STRUCK OR STUCK IN A TRANCE BY A MAN WITH EXCEPTIONAL GOOD LOOKS , DARK TAN , STRONG , AND EYES YOU CAN NOT LOOK AWAY FROM.

THAT MODEL GAVE ME THE THACKER SMACKER WHEN HE STRUCK THAT POSE.

THACKER SMACKER by eye gazer June 23, 2021

thacker (n.) 

A person with no butt. Who's THighs are connected to their bACK because there is no butt in between to separate them.

Lauren is a thacker.

thacker (n.) by Kate February 8, 2004

thacker (n.) 

the act of a woman releasing cum from her asshole that was shot into her after butt fucking.
the cum with usually appear greenish-brownish-yellow.

dude, thackers are nasty.

thacker (n.) by ian April 29, 2004

Harsh Thacker 

A gayass lustrous genderqueer person who is cheap af and faps to motorbike exhaust sounds.

A: Hey, is that Harsh Thacker?
B: Oh frick, oh shit, it really is him!
A & B: Eww normie! REEEE

Harsh Thacker by todorodoki November 10, 2019