When you have no intention of paying for something/don't believe something. People used to pay for things by check and it would take some time to arrive. If you didn't have money, you could buy something without paying, saying "the check's in the mail."
"Hey, when are you going to pay me for that weed?" "The check's in the mail, bro."
"The supreme court is going to uphold the voting rights act? Yeah right. The check's in the mail."
"The supreme court is going to uphold the voting rights act? Yeah right. The check's in the mail."
by quietbanana October 6, 2022

When a person, usually female, uses their finger to check their anus and make sure there is no fecal matter in the area prior to anal sex.
My bff told me that she always does a pre-anal sex check before anal with a new guy or her man, because the first time she did it his penis came out covered in feces and smelly.
by aNONaMRS July 25, 2014

A "bean-counting" assessment dat King George likely performed during da 1770's to determine how many Loyalists he had among his subjects.
Since da colonists were joining da Patriots in droves, just a single invenTORY check might not have yielded reliable results over da long term --- multiple sessions of said numbers-crunching might have been necessary to truly find out how many of da subjects still supported Da Crown.
by QuacksO November 15, 2024

Posing as someone bigger than you actually are, in order to check whether that person likes you for who you really are,
by yousaidwriteapseudonym February 11, 2021

by easydictionaries August 19, 2023

When you want to have a boat day but you don’t have a boat, so you hint at your friend Ben who does have a boat to see if we can take it out.
by Cogjog June 6, 2022

Leaning or bending the knees to check an opponent using one's pubic bone. A box check is performed by a player in a defensive situation trying to stop an attacker from getting past her or trying to separate an attacker from herself.
by Candy_1234 October 13, 2019
