An Irish saying for being taken by surprise/caught out/an unforeseen event/unpleasant circumstance etc. Many things could lurk in long grass, such as 'shnækes' and other slithery adversaries, to whom one might owe money for instance.
The grass is long, you can't really see what's about you and hence it makes for a prime ambush spot. Visualise strolling through a meadow and all of a sudden being leapt upon by a prowler in the undergrowth. Rarely used in reference to an actual meadow...moreso as a highly amusing colloquialism when rendered in the local accent.
"Seamus owes me €1000, the fecker. Don't ye worry lads, I'll catch'im in the long grass yet!"
"Mick was caught in the long grass by his dealer for late payment"
Waking up with an unknown, unattractive female would count as having caught oneself in the long grass!
When you get a girl to lay with her upper back on the floor, her lower back against the side of her bed, and her legs in the air. You then lay on your stomach on the bed with your lower body hanging off the bed between her legs. Insert your dick in her vag. With your arms behind your back, you use your legs to bounce your stomach up and down on the bed inducing penetration.
I was planning on running a marathon this year, but unfortunately the guy I met last night was well-versed in the art of the Long-Dong Grasshopper.
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)