Slackle

The joining of the two words 'Slide' and 'Tackle'.

Eg, a sliding tackle in football or as the Americans would call it, soccer.

Manager to player... "Will you Slackle that player next time instead of letting him run past you!"

Slackle

To slide tackle during a football match.

The joing of the 2 words SLIDE & TACKLE.

Will you slackle that player!!! He's taking the ball past you too bloody easy!

slackle

(verb) to give insane, sloppy, world-ending head

Lonkdor: "I for real got my ding-dong SLACKLED last night!"
Greebus: "No way man!"
Lonkdor: "I can barely WALK dude."

"Is it so hard to get someone to slackle my ding-dong?"