when (typically a female) acts weird, crazy, odd, or not like her/himself
yo Kylie's frontin dude, she can barely say her own name
to 'step to' as in to try to start a fight.
"He was frontin' and the other gentleman just clocked him'"
to say u like something when in reality you dont
" that ride is tyte " " no it aint" why you frontin?
To invoke a conversation with someone in an attempt to win their feelings and usually in a manner that is not genuine.
"Hey man stop frontin with that girl"
to be standing in the front of a large crowd
I was frontin in line to buy tickets for the concert because i got there 2 days before they went on sale