to look at something obsessively and repeatedly in order to see if its status as changed, or to check constantly on something to try to make its status change.
from the practice of hitting the F5 key repeatedly to refresh a messageboard thread while waiting for somebody to post.
"dude, that girl who works at Pink Pony was totally F5ing our table at Veselka last night."
"I f5'ed the fuck out of that relationship, but by the fourth breakup, I was over it."
"I totally F5 the locks on my house since I got robbed."
"she kept f5'ing her look but she still looked like a wombat"
"i was so stoned and hungry i F5'd my refrigerator like 10 times before i finally broke down and ordered chinese."