Top Definition
To wash out ones vagina using the seman from one mans penis while viewing Digital Spy
Oh man, last night I got drunk and "washed my cup" with my girlfriend while she "mowed the lawn" all over me. She even got her friend involved and between us, we all "said hello to the local firemen".

Awesome night out.
#washed #my #cup #soap #sex #penis #vagina #semen
by DSers August 03, 2008
8 Words related to washed my cup
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