power slack

v. to slack off in an efficient manner

Luckily, my work didn't interfere with my power slacking today.

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Radio Slack

An alternative name for Radio Shack.

I gotta go to Radio Slack to buy some LED's.

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slack annie

Term used to describe a female of any age who has engaged in much more sexual intercourse than is average for a lady of her years. Thus, allegedly, her vagina would become stretched in terms of both shape and size.

I wouldn't go near her mate. She's a right slack annie

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you're slack

st george girls (2003) that stretch out the phonetics of this common phrase and sound more like ambulance sirens than normal humans like most people

that person was a fat ass

you're slaaaaaaaaccccccckkkkkk

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slack flaps

term used to describe a woman who has loose morals in the sex department, has put out so much that theres no tread left on the tyres.

i was doin this chick last night, she had slack flaps.
her flaps were so slack it was like feeding a kitkat to a whale.

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slack butthole

A butthole that has seen its share of action, thus being no longer taut. Rather, the butthole has become loose and has a larger circumference than it previously had.

Anatomically, the anal sphincter is unaffected and remains tight, while the butthole has some 'slack'.

Metaphorically, think of the butthole as a collar of a t-shirt, and a slack butthole as a 'bacon collar' due to constantly expanding and contracting.

Ben, how was that girl last night?

Gosh Brian, after she plowed my anus with a strap-on, I think I have a permanently slack butthole. So she was great.

Snazzy Slack

A word that grates on ones nerves.

Benicio-I'm going for lunch

Giuseppe-I hate that word-it's a snazzy slack-"Lunch"