A guy or woman intentionally, without the others knowledge, using pregnancy as a way to trap another in a lifelong commitment, relationship or marriage. Usually by the sabotage of birth control or the lack of pulling out knowing the other isn't on bc.
Also known as "baby trapping"
"I told him I wasn't on the pill and he didn't pull out... then whispered "anchor baby" in my ear."
"The condom broke, but I looked at the wrapper and saw that there were holes poked into it..."
An anchor channel is the television station that you stay on while searching for something better to watch. The show that is on isn't your favorite show, but it's enough to hold you over until you find something better to watch.
"Man, I can't find anything good to watch."
"Just use ESPN as your anchor channel, bro."