Top Definition
having sex in awkward places places such as the principles office, church, doghouse, ect usually with the same sex and multiple partners
pam: holy crap did you just see tim and pi phi-ing????
mike hunt: yea were there any lunch ladies involved this time???
pam: of course
#phi #tim nass #sex #butt #ing #google #phi-ing
by wrecked 'em punisher February 08, 2008
6 Words related to phi-ing
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