It means the first thing that comes to your mind(usually along the lines of sex, alchol, drugs, weed, etc) It should be used when you want to do a combination of the previous things listed or if you want to do anything that will entertain.
Yo Lets get laddered tonight!
Dude I'm so laddered right now.
Yo I laddered that chick last night she was awesome.
Yo I got weed in my car wana go get laddered?
Lardered (verb) - For a male to partake in sexual intercourse with a plus sized female or vice versa. Usually involves the larger person incorporating their excess rolls into said act.
'Lardered'
To get told to smarten up your uniform by a male teacher. This involves tucking your shirt in and pulling your tie up.
Occasionally this will also involve removing non-school uniform and putting on your blazer.
boy1: what have we got next?
boy2: not sure
teacher: Oi! Get your shirts tucked in and smarten up!
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the USCoast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."