(Source)

49. Floating Mario

(Source)

48. TMNT

(Source)

47. Anime's Never Looked So Good

(Source)

46. 20 Sided

(Source)

45. Still Aiming At The Dog As An Adult

(Source)

44. Where The Wild Things Are

(Source)

43. Comprehensive Star Wars

(Source)

42. Good Question

(Source)

41. Hindu Mario

(Source)

40. SNES

(Source)

39. You Don't See Much SMB2 Ink

(Source)

38. Binary

(Source)

37. Scannable Bar Code

(Source)

36. Master Chief

(Source)

35. Zelda Tramp Stamp

(Source

34. NES Montage

(Source)

33. Chocobo

(Source)

32. Pythagorean Theorem

(Source)

31. Optimus Prime

(Source)

30. Narwhal

(Source)

29. Final Fantasy I Black Mage

(Source)

28. This Guy Knows Where His Towel Is

(Source)

27. Elvish

(Source)

26. Mega Man

(Source)

25. I Heart Companion Cube

(Source)

24. Level Up

(Source)

23. Enterprise

(Source)

22. Light Guns

(Source)

21. Fire Flower

(Source)

20. Pac-Man

(Source)

19. Konami Code

(Source)

18. Imperial Sleeve

(Source)

17. Apple (the most common geeky tattoo out there?)

(Source)

16. XKCD Inspired

(Source)

15. Serotonin

(Source)

14. Wordpress

(Source)

13. Lightsaber

(Source)

12. Tetris

(Source)

11. Logan's Run

(Source)

10. Samus

(Source)

9. Zombie Homer

(Source)

8. Wonder Woman

(Source)

7. Doctor Who

(Source)

6. Can't Take The Sky From Me

(Source)

5. Aww Nibbler

(Source)

4. Bender

(Source)

3. Lost

(Source)

2. Space Invaders

(Source)

1. Ralph! Are you eating your paste? RALPH: No Miss Hoover