It's a well established norm in civilized geek society
that visual representations such as "=)
" can and should be used to substitute for the laborious exercise of expressing emotions
through words or actions. Taking that notion to its logical extreme, the Kaoiro emoticon stamp comes with 7 rows of symbols that the hardworking digi-linguist can convert into an almost limitless variety of text-based visualizations. Just look above should you need inspiration. You'll need to pull together $51 to buy one, plus $18 for shipping (or ¥2,700 plus ¥1,700 for shipping to North America, roughly $47, directly from the manufacturer), but that's surely peanuts to pay for having the ultimate document tarnisher around.