When you pull your cock out of the prostitutes ass and there is a kernel of corn on the tip of your dick. You then with an erect cock pull down and fling the corn at her like a pumpkin chunkin competition. Bonus points if you can get it in her mouth to send it another round through her
Friend: bro! I got luck with a prostitute last night and had an opportunity for some corn chunkin
1. A butterchunk is someone who melts under pressure and goes along with what the other person wants. More so when it is a person of authority.
2. A Butter Chunk is someone who doesn't stand up to bullying behaviour.
Boss: I want you to stay overtime tonight with no pay.
Billy: Yes of course Boss, I'll do anything for the company.
Billy's Girl friend: What! You're working overtime again tonight! You'll such a butter chunk.
Frank is such a pushover he's always getting butter chunked by every bully in the neighbourhood.
Frank was such a butter chunk last night, he never breaks the rules, no matter how stupid they are.