A retarded exclamation point is the random numeral "1" that is mistakenly typed at the end of an exclamatory sentence when someone accidently lets go of the "Shift" key while trying to type an exclamation point (!) on a keyboard.
Dude One: Guess what I did last night Dude Two: What?
Dude One: I got some of Trisha's sweet ass
Dude Two: WHAT1
Dude One: Huh? What the hell does "WHAT1" mean?
Dude Two: Oh, sorry man...retarded exclamation point.
A chicks vag and asshole combination package makes an exclamation point (!). Notice the line (vag) and dot (anus) and separation of the two entities (taint).
the sprinkles on the ice cream sunday of punctuation. used to make something interesting, to express interest, to show emotion, excitement, anger, add emphasis, and make names really cool; the actual term may be used when someone makes an excellent point-possibly even causing you to make a realization
Me: Can you believe Charl!e did that?!!
Pat: No i can't! I'm so mad!!! someone has to tell him!
Me: exclamation point!