2.A brown oblong object, often capable of floating, consisting of bark-coated wood. A thick branch or trunk of a woody plant, no longer attached to said plant. Usually the product of a tree surgeon.
3.Something you use in Mathematics which no one ever uses IRL.
Pal: "Don't go leaving any logs in the pan (toilet bowl). My girlfriend's round later."
"Sorry...I can't go any faster, I got this huge "Log" coming out and it's taking forever!!