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.
Back in the late 1970's, I dated a woman who said her high school freak friends called her baby freak, since she was a bit younger than them. Most freaks are potheads, so baby head comes from a young person who smokes pot, hence, babyhead.
Someone in possession of an unusually small bladder who thus needs to use the restroom very frequently. Usually inconvenient for friends of the babybladz as well as the person his/herself. Often applies to females.