(Verb): The barely consentual act of consuming a microwaved ham and cheese sandwich, then proceeding to initiate coitus with an underage, intellectually-absent high school girl while highly intoxicated.
"Yo, you see that dude drinking out of the 30 rack? He swissed the fuck out of this bust-down last night!"
"Ham and fucking SWEEE-ASS!"
"Ham @ Swiss me duuuude!"