Crumb=a scab or crusty eye sleep
Tonypail=a ponytail; Aiden seems especially interested in wearing a "Buzz Lightyear tonypail when my hair gets long like Mommy's"
deodor=deodorant; Aiden saw Mommy put hers on one morning and had to have some. Then he needed some of his daddy's cologne. Afterwards, he went around inviting everyone to smell his armspits and shoving his forearms under people's noses so they could admire his "smelly good stuff"