A reach-under handy where the giver has to covertly (like the underground railroad) access from behind through one's legs.
I was on a date with Tanya, and I asked if she wanted to hit the underground railroad. She said yes, so I suggested a Harriet Tugman.

We were stuck in a single file line, and we didn't anyone to see what was going on, so my girl could only give me a Harriet Tugman.
by DemTCBoyz69 June 21, 2023
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A handjob that costs $20.
It's $100 for the hour, $50 for the half and half, and for $20 you get the Harriet Tugman.
by CerealKing73 January 29, 2021
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