mountain bkking term.
Roundish rocks which tend to be found in a loose jumble on hairpin corners or other dificult-to-negotiate sections of trail. Similar to death cookies, but bigger.
"I rode beautifully down that cliff, only to be confronted with a pile of babyheads"
Referring to large round female breasts - at least the size of a baby's head.
Jessica's got a sweet pair of babyheads.