What is Alaskan crab fisherman?

When you put a crayfish/small crab into a females vagina then fish around with your dick until it latches on, and you pull it out.

We were bored so we went to the pet store and got a crayfish to do the Alaskan Crab Fisherman.

Alaskan crab fisherman - video

When you take a bong rip, then while holding in the smoke you chug a beer, then exhale the smoke and quickly inhale a hit of nitrous oxide.

Yo Tim I just got some nitrous whippets from Starbucks, want to do an alaskan crab fisherman an git highh?