What does "i'd motor boat you" mean?

My friend got a text from this guy she knows and he said "I'd motor boat and pick you up. It would be hot" I dont get it. Neither does she. Well.. she said she kinda has an idea what it means. Btw, i am 15. Thats for the people who say "I dont think your old enough to know this kinda stuff"... show more My friend got a text from this guy she knows and he said "I'd motor boat and pick you up. It would be hot" I dont get it. Neither does she. Well.. she said she kinda has an idea what it means. Btw, i am 15. Thats for the people who say "I dont think your old enough to know this kinda stuff" Well you know what, I am :) I just dont know what these slang terms mean for certain things. So if you can help me out, that would be great!
and thanks :)
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