Lowering a girl/guy onto your thumb whilst supporting their weight to create maximum insertion/gratification.
"Why were you holding her up?"
"Ah she was just thumbing a lift"
"How did you get her so turned on?"
"She just thumbed a lift of me and loved it"
"Ah she was just thumbing a lift"
"How did you get her so turned on?"
"She just thumbed a lift of me and loved it"
by Newbstar April 13, 2009

by veronica1292 February 05, 2017
