to do a girl while knees are cross cowgirl, reverse cowgirl, and/or doggy in bed or bathroom.
Dud, I totally got a lemon tart at the club after you left. It was awesome.
by alexander Rotha May 20, 2009
cockney rhyming slang for smart
just cos you hit puberty that doesn't make you lemon tart
by apositivenuisance August 14, 2009
When someone is giving a blowjob then pisses
"Hey girl ! want a lemon tart" says the male "sure"says the female
by LOLemontart September 07, 2010