During football when a really good tackle is made. A chackle occurs when the tackle is "jizz-worthy". It is a mixture of the words tackle and challenge.
Jonathan: What a chackle that was by Andre Bikey on Wes Morgan!
Matt: Fucking chackle!
“Hey mister what am I going to eat for snack at work today?”
“Oh snap. I’m running late af and can’t even deal w this. Here, just take some chackers and have a great day!”
“Aw! I love you baby!”
Someone who is pissing you off incredibly for no apparent reason or in excess, used when you can not think of a decent insult
CHACKER tim was pissing me off so much even though he wasnt really doing anything i couldnt really think of anything to call him so i called him a "chacker"