Loser idiot boy: Omg! have you heard of Pro-Activ?
Pimpely faced person: It's a part of growing up, not that you would know!
Random guy who pops up: Snap Crackle and Pop!
guy: Yo mamma is so fat she is like a whale! hahaha
other witter guy: Yo mamma's so fat i burnt my ass on the light when i was fucking her last night!
Guy: ... *punches other witter guy in balls to try and prove his manlyness after being completly owned*
A few weeks later....
Guy: yo mammas so fat i burnt my ass on the light last night when i was fucking her
other wittier guy: Dude, if i wanted my own comeback i'd wipe it off your mums face!
Other wittier guy: *runs away because he doesnt want to get hit in the balls again and unlike the other guy he learns from his previuos experiences*
2. The act of reappearing from a long break(but not as a retirement)
I have made a comeback to Urban Dictionary