"that chick just pinged straight out"
"man i'm so tired, i think i'm gonna just ping right here"
"that movie was so boring, i pinged during the opening credits"
verb
to attempt to intentionally set off somebody's gaydar in order to let them know that you're gay; usually done in a relatively subtle manner, in order to avoid the attention of unwitting heterosexuals
I thought your friend was really cute, so I was pinging him all through dinner to let him know I might beinterested.