Something that someone does that only someone considered a 'dick' would do.
Bro #1: I was walking down the street with my mom yesterday and this dick came and shot her in the face.
Bro #2: What a dick thing to do.
Bro #1: IFKR!
When you're doing anal and you notice you have a little shit on your dick and rather than get a towel, you just wipe it off on a cheek and sick back in like the beast you are underneath.
"Man last night me and shelly were doin butt stuff and i noticed i had shit on my dick, so i did that dick wiping thing and stuck it back in dry."
A trip to a grocery store, convenience store, or gas station for the sole purpose of buying an excessive amount of junk food and sugary drinks, usually with friends. A chud run often happens late at night and ends with everyone involved hating themselves afterwards.