Top definition
when you're texas t tucking your penis (because you don't want the girl to know you have a hard on) and your shirt is tucked in and the head of the penis is pops out while your grinding on a girl and blow your load all over her dress at prom and the girl has to get a new dress because it's so messy
I gilliseed my brains out
by cumstain101 July 10, 2008
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