Very mild adjective, roughly the same obscenity level as "darned" or "bloody". For some obscure reason, Americans (who use the word "sodding" to mean putting turf (or sod) down in your garden) have got the impression that it is of about the same obscenity level as "f***ing" whereas it is not uncommon to hear your elderly aunt, who wouldn't dream of saying "shit", use it.
Blimey, it's sodding cold today - or - has anyone seen my sodding keys?
Teacher: OK class, get out your homework!
Student 1: What homework?
Student 2: You know, the maths worksheet.
Student 1: Oh yeah. the sodding maths worksheet.
Sluddling is also known as slutty cuddling. It's when a couple same or different sex gather closely together on a bed, couch, chair etc. and Cuddle plus a little more usually resulting in touching skin to skin. Any kind of Skin to skin and manual sex are common actions during sluddling.
How was your night with your girlfriend last night?
It was decent we sluddled for awhile but we made a bit of a mess when the sluddling got too heated.