look up any word, like blumpkin:
 
3.
Kiss
Julie and Johnny went behind the bleachers to "swap-spit."
by Polabear August 11, 2003
 
1.
to French kiss; to snog
We'd park by the lake and just swap spit for hours. Swapping spit is so much fun.
by mandingoe May 24, 2004
 
2.
to kiss, (implied to be with a lover)
If he tried to swap spit with your sister and he had something like that, he really must be dense.
by The Return of Light Joker November 24, 2009