A "rack" was a slang term for a motor-bike for older Australians. So, to go get "on-yer-bike" and go away upon a command you would be "racking off". To rack off is less rude, but alliterative, for another popular expression.
Hello mate, may i come to your party and dance the "Maroubra Stomp?"
No, mate, you may not. Rack Off.
In the military the rack is your bunk. To rack out or hit the rack is to go to bed for the purpose of sleeping. If you find it difficult to get out of bed through fatigue, laziness, illness, hangover, depression, or any of a number of other reasons, then the "rack Monster" has ahold of you.
"I know we were all going to see Tina the Cat Woman today, but the Rack Monster had ahold of me and wouldn't let go."
when a chick has a large rack, but she also has a fat gut and/or ass. the fatness is the taxation on the good rack.
she's got big tits, shame about the rack tax though.
Letting a homeless man use your telephone to make an important call and he accidentally calls one of your friends.
Susie: "Was that a butt dial?"
You: "No, I'm sorry about that. You know Jimmie Jamz, the homeless guy who always hangs out on 12th and Walnut? Well, I let him use my phone and he called you. It was a Rack Dial."
The term used to describe the rack of a female (ie. a twinkie tits) used to store snacks.
The girl thought to herself "Wow, i'm hungry.", then she reached into her snack rack and pulled out a cheese danish.
When a man wears really tight shorts. So its like his bits are on show.
Loving the new penis rack on beckham, leaves nothing to the imagination.
When overly obese women have what appears to be another set of tits on their back.
Mike : Did you see how fat that girl is ?
Adam : Yeah she must have like a size 36C back rack attached