They normally mean a declaration of love, not love itself, though. Red tulips mean love and fame. Multi-colored tulips are supposed to represent people with beautiful eyes, and therefore beautiful souls. (The eyes are the window to the soul.) yellow tulips symbolize happiness in one's life.
Toe jam is a slang reference to the dead skin cells, sock fluff, surface dirt, sweat, skin oils and bacteria which tend to collect between a person's toes throughout the day. Poor hygienic practices or certain feet-related medical conditions such as athlete's foot can make the appearance and odor of foot jam even more noticeable.
1 The associated skin disease can affect the skin of the feet and cause the toenails to thicken, develop pits and separate from the nail bed.  Infectious arthritis. Also called septic arthritis, infectious arthritis refers to arthritis that is caused by an infection within the joint.