Top definition
Semetrisize (Se-Me-Tri-Size or Se-Me-Tri-Siz-Ing) was a word born in frost middle school. it has absolutely no meaning but is fun to say. it can describe anything dirty and be used in place of any word.
"hey honey want to come over and semetrisize?"

"its not semetrisize if she likes it!"

"we semetrisized all night"

"how long can you stay semetrisizing?"
by shwagg1 December 10, 2011
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